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JavaScript DOM Tutorial #3 - Get Elements By Class or Tag
 
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Hey gang, in this JavaScript DOM tutorial, I'll show youhow we can query the DOM for elements with a certain class name, or tag name. The methods we'll use are: - getElementsByTagName() - getElementsByClassName() ----- COURSE LINKS: + Atom editor - https://atom.io/a + GitHub Repo - https://github.com/iamshaunjp/JavaScript-DOM-Tutorial --------------------------------------------------------------------------------------------- Other tutorials: ----- JAVASCRIPT FOR BEGINNERS: https://www.youtube.com/playlist?list=PL4cUxeGkcC9i9Ae2D9Ee1RvylH38dKuET ----- CSS FOR BEGINNERS: https://www.youtube.com/playlist?list=PL4cUxeGkcC9gQeDH6xYhmO-db2mhoTSrT ----- NODE.JS TUTORIALS https://www.youtube.com/playlist?list=PL4cUxeGkcC9gcy9lrvMJ75z9maRw4byYp ----- SUBSCRIBE TO CHANNEL - https://www.youtube.com/channel/UCW5YeuERMmlnqo4oq8vwUpg?sub_confirmation=1 ============== The Net Ninja ===================== For more front-end development tutorials & to black-belt your coding skills, head over to - https://www.youtube.com/channel/UCW5YeuERMmlnqo4oq8vwUpg or http://thenetninja.co.uk ================== Social Links ================== Twitter - @TheNetNinja - https://twitter.com/thenetninjauk
Views: 25285 The Net Ninja
JavaScript Tutorial for Beginners - 27 - getElementsByTagName method
 
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In this video we will discuss the getElementsByTagName method. Javascript code: http://pastebin.com/E4TQdiXm HTML code: http://pastebin.com/kWMXayCK
Views: 40723 EJ Media
JavaScript DOM Tutorial in Hindi Part 19: Accessing DOM Elements in JavaScript in Hindi
 
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Welcome all, we will see Methods for Accessing Elements in the DOM using Javascript in Hindi. Also, DOM: Get Elements by ID, Tag, Name, Class, CSS Selector etc. The easiest way to access a single element in the DOM is by its unique ID. We can grab an element by ID with the getElementById() method of the document object. document.getElementById(); In order to be accessed by ID, the HTML element must have an id attribute.getelementbyid javascript in hindi Guys, Please support my channel by SUBSCRIBE to my channel and share my videos in your Social Network TimeLines. Don't Forget to Follow me on all Social Network, Instagram Link: https://www.instagram.com/vinodthapa55 Facebook Link: https://www.facebook.com/vinodthapa55 Twitter Link: https://twitter.com/vb55thapa Facebook ThapaTechnical Page Link: https://www.facebook.com/vinodbahadurthapa
Views: 1987 Thapa Technical
JavaScript DOM Crash Course - Part 1
 
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This crash course focuses on the DOM WITHOUT JQUERY. In this part we will talk about what the JavaScript DOM (Document Object Model) is and we will look at the different selectors like document.getElementById() document.getElementsByClassName() document.getElementsByTagName() document.querySelector() document.querySelectorAll() We will also look at how to change content and styles via these selectors CODE: Code for this video http://www.traversymedia.com/downloads/domcrashcourse1.zip JAVASCRIPT FUNDAMENTALS VIDEO: https://www.youtube.com/watch?v=vEROU2XtPR8 BECOME A PATRON: Show support & get perks! http://www.patreon.com/traversymedia ONE TIME DONATIONS: http://www.paypal.me/traversymedia COURSES & MORE INFO: http://www.traversymedia.com FOLLOW TRAVERSY MEDIA: http://www.facebook.com/traversymedia http://www.twitter.com/traversymedia http://www.instagram.com/traversymedia NEW DISCORD CHAT SERVER: https://discord.gg/traversymedia
Views: 150324 Traversy Media
Selecting & Changing Website Elements (DOM manipulation) - Beau teaches JavaScript
 
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JavaScript allows you to select elements from the DOM of a website and then make changes to those elements. This video covers getElementById, getElementsByClassName, getElementsByTagName, QuerySelector, querySelectorAll, innerHTML, and textContent. 💻 Code: https://codepen.io/beaucarnes/pen/vmOzwW?editors=1010 🔗 Resource: https://web.archive.org/web/20171010211719/https://callmenick.com/post/basics-javascript-dom-manipulation 🐦 Beau Carnes on Twitter: https://twitter.com/carnesbeau ⭐JavaScript Tutorials Playlists⭐ ▶JavaScript Basics: https://www.youtube.com/playlist?list=PLWKjhJtqVAbk2qRZtWSzCIN38JC_NdhW5 ▶Data Structures and Algorithms: https://www.youtube.com/playlist?list=PLWKjhJtqVAbkso-IbgiiP48n-O-JQA9PJ ▶Design Patterns: https://www.youtube.com/playlist?list=PLWKjhJtqVAbnZtkAI3BqcYxKnfWn_C704 ▶ES6: https://www.youtube.com/playlist?list=PLWKjhJtqVAbljtmmeS0c-CEl2LdE-eR_F ▶Clean Code: https://www.youtube.com/playlist?list=PLWKjhJtqVAbkK24EaPurzMq0-kw5U9pJh - We're busy people who learn to code, then practice by building projects for nonprofits. Learn Full-stack JavaScript, build a portfolio, and get great references with our open source community. Join our community at https://freecodecamp.com Read great tech articles at https://medium.freecodecamp.com
Views: 19119 freeCodeCamp.org
JavaScript Tutorial for Beginners - 29 - getElementsByClassName
 
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In this video we will discuss the getElementsByClassName method. Javascript code: http://pastebin.com/0bNp7FZt HTML code: http://pastebin.com/5Jbsz2rS
Views: 33909 EJ Media
Learn JS HTML Dom In Arabic #02 - Find Elements By [ ID, Class, Tag ]
 
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تعلم كيف تعثر على العناصر التي سوف تقوم بالتلاعب بها بكل الطرق document.getElementById document.getElementsByTagName document.getElementsByClassName document.querySelectorAll
Views: 17288 Elzero Web School
getElementsByTagName Method in JavaScript (Hindi)
 
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getElementsByTagName in Advance JavaScript You can find out our HTML Complete Video tutorials : http://goo.gl/O254f9 CSS Complete Video Tutorial Playlist: http://goo.gl/On2Bh1 Feel free to share this video Core JavaScript Complete Video Tutorial Playlist https://goo.gl/A517jQ Advance JavaScript Complete Video Tutorial Playlist https://goo.gl/mNTBhU Check Out Our Other Playlists: https://www.youtube.com/user/GeekyShow1/playlists SUBSCRIBE to Learn Programming Language ! http://goo.gl/glkZMr Learn more about subject: http://www.geekyshows.com/ __________________________________________________________ If you found this video valuable, give it a like. If you know someone who needs to see it, share it. If you have questions ask below in comment section. Add it to a playlist if you want to watch it later. ___________________________________________________________ T A L K W I T H M E ! Business Email: [email protected] Youtube Channel: https://www.youtube.com/c/geekyshow1 Facebook: https://www.facebook.com/GeekyShow Twitter: https://twitter.com/Geekyshow1 Google Plus: https://plus.google.com/+Geekyshowsgeek Website: http://www.geekyshows.com/ ___________________________________________________________ Make sure you LIKE, SUBSCRIBE, COMMENT, and REQUEST A VIDEO :) ___________________________________________________________
Views: 1118 Geeky Shows
JavaScript Tutorial - document.getElementsByName
 
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return type: NodeList document.getElementsByName() takes a string name and must return a live NodeList containing all the HTML Elements in that document that have a name attribute whose value is equal to the name argument, in tree order.When the method is invoked on a Document object again with the same argument, the user agent may return the same as the object returned by the earlier call. In other cases, a new NodeList object must be returned. https://github.com/webtunings https://www.facebook.com/pages/WebTunings/339234242822202 I highly recommend this book for beginners as well as advanced programmers: http://www.amazon.com/gp/product/0596805527/ref=as_li_qf_sp_asin_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0596805527&linkCode=as2&tag=webtuningscom-20
Views: 2374 WebTunings
Javascript Selectors - Javascript Tutorial for Beginners With Examples
 
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In this Javascript tutorial for beginners, we're going to be using Javascript selectors to access the DOM (document object model) and interact with our webpage in realtime. Selectors allow us to search for elements in the web page, get those html elements, and do things with them. Selector methods are: document.getElementsByTagName('div') document.getElementsByClassName('done') document.getElementById('my-id') document.querySelector('#my-id') document.querySelectorAll('.classname') Once you have selected an html element, you can modify it: document.getElementById('my-id').innerHTML = "new html" document.getElementById('my-id').className = "newclass otherclass" Hopefully you liked this javascript tutorial for beginners with examples (hopefully you like every web development tutorial I crank out) As you can see, selectors are powerful in Javascript and even if you're a javascript beginner, you can make any and every change to your web page. -~-~~-~~~-~~-~- Learning Web Development? Watch the FREE COURSE: "Web Development for Absolute Beginners"! https://www.youtube.com/watch?v=gQojMIhELvM -~-~~-~~~-~~-~-
Views: 190698 LearnCode.academy
what is document.getElementsByTagName() in javascript explained with example.
 
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what is document.getElementsByTagName() in JavaScript explained with example
Views: 59 WhatsMySuggestion
JavaScript Tutorial for Beginners - 28 - getElementsByTagName Part 2
 
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In this video we will create a loop to cycle through the node list created by the getElementsByTagName method. Javascript code: http://pastebin.com/FVPJU5sy
Views: 31937 EJ Media
JS-09: Zugriff auf DOM
 
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Javascript, Zugriff auf das DOM, getElementByID, getElementsByTagName, getElementsByClassName, querySelector, querySelectorAll
Views: 357 Thomas Preuss
Element.setAttribute() - Javascript DOM
 
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If you'd like to modify an attribute of an Element on the fly, you can do so within your Javascript code using the Element.setAttribute method. In this video we look at how we can use this method on a pre-existing element and also on a dynamically created element (through createElement) For your reference: https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute If this video helped you out and you'd like to see more, make sure to leave a like and subscribe to dcode!
Views: 1106 dcode
Javascript + jQuery DOM: selecting HTML elements
 
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Selecting elements in the HTML document using Javascript and jQuery so they can be manipulated—with both plain Javascript & jQuery. Code & tutorials: http://learn-the-web.algonquindesign.ca/topics/dom/
Views: 2747 Thomas Bradley
5. Curso grátis de Javascript | DOM | getElementsByTagName
 
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Documentação oficial https://developer.mozilla.org/pt-BR/docs/Web/API/Document/getElementsByTagName getElementsByTagName é um recurso do DOM API que retorna um array das tags especificadas Curta minha página no Facebook https://www.facebook.com/kevenjesustreinamentos/
Views: 9995 keven jesus
The DOM: What's the Document Object Model?
 
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The DOM: What's the Document Object Model? The DOM is the browser's internal, progrematic representation of a webpage. Languages like javascript allow you to modify the DOM, and thus the website without editing the HTML of the page. Technically, the DOM is an API (application programming interface). There are many types of APIs, but this particular API interacts with XML and HTML documents. It's in charge of how those documents are accessed and manipulated. Really, you can do a lot with the dom, and if you're already scripting in JS and jQuery, you're already doing it. You can insert new things, elements, or alter style or content for elements that already exist. This can be done with pure javascript, like: document.getElementById(id) element.getElementsByTagName(name) document.createElement(name) You can also use libraries like jQuery to simplify, standardize and automate manipulating the DOM, like: $('#box2').append("This will be added to box2!")
Views: 38524 freeCodeCamp.org
Event bubbling in JavaScript
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2015/01/event-bubbling-in-javascript.html What is event bubbling Let us understand this with an example. HTML elements can be nested inside each other. For example a button element can be nested inside a span element and the span element inturn can be nested inside a div element. Notice that we have onclick attribute specified for all the 3 elements. [html] [head] [style type="text/css"] .styleClass { display: table-cell; border: 1px solid black; padding: 20px; text-align: center; } [/style] [/head] [body] [div class="styleClass" onclick="alert('Div click handler')"]DIV element [span class="styleClass" onclick="alert('Span click handler')"]Span element [input type="button" value="Click me" onclick="alert('Button click handler')" /] [/span] [/div] [/body] [/html] A click on the button, causes a click event to be fired on the button. The button click event handler method handles the event. The click event then bubbles up to the button element parent (span element), which is handled by the span element event handler method. The click event then bubbles up to the span element parent (div element). This is called event bubbling. Notice that if you click on the [span] element, it's event handler and it's parent([div]) element event handler are called. If you click on the [div] element, just the [div] element event handler method is called. So, the event bubbling process starts with the element that triggered the event and then bubbles up to the containing elements in the hierarchy. The following example is similar to the one above, except we removed the onclick attribute from button and span elements. Because of event bubbling, when you click on the button or the span element, the event gets handled by the div element handler. [html] [head] [style type="text/css"] .styleClass { display: table-cell; border: 1px solid black; padding: 20px; text-align: center; } [/style] [/head] [body] [div class="styleClass" onclick="alert('Click event handled by DIV element')"]DIV element [span class="styleClass"]Span element [input type="button" value="Click me"/] [/span] [/div] [/body] [/html] When the event gets bubbled, the keyword this references the current element to which the event is bubbled. In the example below, we are using "this" keyword to reference the current div element and change it's border color. When you click on the innermost [div] element, all the 3 [div] elements border get changed due to event bubbling. [html] [head] [style type="text/css"] .divStyle { display: table-cell; border: 5px solid black; padding: 20px; text-align: center; } [/style] [/head] [body] [div id="DIV1" class="divStyle"] DIV 1 [div id="DIV2" class="divStyle"] DIV 2 [div id="DIV3" class="divStyle"] DIV 3 [/div] [/div] [/div] [script type="text/javascript"] var divElements = document.getElementsByTagName('div'); for (var i = 0; i [ divElements.length; i++) { divElements[i].onclick = function () { this.style.borderColor = "red"; alert(this.getAttribute("id") + " backgound changed"); } } [/script] [/body] [/html] Stopping event bubbling : If you don't want the event to be bubbled up, you can stop it. With Internet Explorer 8 and earlier versions event.cancelBubble = true With Internet Explorer 9 (and later versions) & all the other browsers event.stopPropagation()
Views: 51735 kudvenkat
#19 Starting with DOM Manipulations in JavaScript
 
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DOM manipulations are when we use javascript code perform some activity on the HTML document. JS uses the DOM to access different elements on the website and perform specific tasks like - validations, changes, animations, functions etc. HTML events are "things" that happen to HTML elements. When JavaScript is used in HTML pages, JavaScript can "react" on these events. getElementById() - Definition and Usage The getElementById() method returns the element that has the ID attribute with the specified value. This method is one of the most common methods in the HTML DOM, and is used almost every time you want to manipulate, or get info from, an element on your document. Returns null if no elements with the specified ID exists. An ID should be unique within a page. However, if more than one element with the specified ID exists, the getElementById() method returns the first element in the source code. You can checkout some basic events on this website - https://www.tutorialspoint.com/javascript/javascript_events.htm Video by - Tanmay Sakpal Simple Snippets Channel link - https://www.youtube.com/simplesnippets
Views: 2768 Telusko
Beginner JavaScript Tutorial - 39 - Accessing Form Elements
 
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Facebook - https://www.facebook.com/TheNewBoston-464114846956315/ GitHub - https://github.com/buckyroberts Google+ - https://plus.google.com/+BuckyRoberts LinkedIn - https://www.linkedin.com/in/buckyroberts reddit - https://www.reddit.com/r/thenewboston/ Support - https://www.patreon.com/thenewboston thenewboston - https://thenewboston.com/ Twitter - https://twitter.com/bucky_roberts
Views: 207404 thenewboston
Learn JS HTML Dom In Arabic #31 - Document - Create [ Element, Text, Comment ]
 
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شرح كيفية إنشاء عنصر جديد في الصفحة وكيفية إنشاء نص لوضعه داخل العنصر وكيفية إنشاء تعليق
Views: 5956 Elzero Web School
JavaScript tutorials for beginners in Hindi - 22 - select id, class and tags in JavaScript
 
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I this video tutorials I will teach you that how can select id, class and tags in javascript. This javascript tutorials beginners in hindi are for both hindi and urdu students. In this tutorials firsly we will work on id selector in javascript, class selector in javascript and then tags selector in javascript. For all my tutorials go to: http://websofttutorials.com/ Facebook: https://www.facebook.com/websofttutorials/ Twitter: https://twitter.com/websofttutorial Google Plus: https://plus.google.com/103170090189141800172/posts
Views: 13356 websofttutorials
JavaScript Tutorial - CSS computed style - getComputedStyle() - CSSStyleDeclaration Object
 
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partial interface Window { [NewObject] CSSStyleDeclaration getComputedStyle(Element elt, optional DOMString pseudoElt); }; https://github.com/webtunings https://www.facebook.com/pages/WebTunings/339234242822202 I highly recommend this book for beginners as well as advanced programmers: http://www.amazon.com/gp/product/0596805527/ref=as_li_qf_sp_asin_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0596805527&linkCode=as2&tag=webtuningscom-20
Views: 751 WebTunings
JavaScript Tutorial for Beginners - 36 - Creating a new element
 
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In this video we will create a new element. Javascript code: http://pastebin.com/jnzfkBs8 HTML code: http://pastebin.com/JAfDWmCQ CSS Code: http://pastebin.com/Nb208UTf
Views: 36593 EJ Media
JavaScript - 식별자 API (1/4) : Element.tagName
 
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http://opentutorials.org/module/904/6682
Views: 9933 생활코딩
getElementsByClassName | getElementsByTagName | getElementsByName in IN JAVASCRIPT IN HINDI
 
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The getElementsByClassName() method returns a collection of all elements in the document with the specified class name, as a NodeList object. The NodeList object represents a collection of nodes. The nodes can be accessed by index numbers. The index starts at 0. Tip: You can use the length property of the NodeList object to determine the number of elements with a specified class name, then you can loop through all elements and extract the info you want. The getElementsByTagName() method returns a collection of all elements in the document with the specified tag name, as a NodeList object. The NodeList object represents a collection of nodes. The nodes can be accessed by index numbers. The index starts at 0. Tip: The parametervalue "*" returns all elements in the document. Tip: You can use the length property of the NodeList object to determine the number of elements with the specified tag name, then you can loop through all elements and extract the info you want. The getElementsByName() method returns a collection of all elements in the document with the specified name (the value of the name attribute), as a NodeList object. The NodeList object represents a collection of nodes. The nodes can be accessed by index numbers. The index starts at 0. Tip: You can use the length property of the NodeList object to determine the number of elements with the specified name, then you can loop through all elements and extract the info you want.
Views: 26 CODERS NEVER QUIT
JavaScript Tutorial for Beginners - 42 - Traversing the DOM Part 3
 
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In this video we will discuss the concept of traversing the DOM. Javascript code: http://pastebin.com/VzNkgeJB HTML code: http://pastebin.com/CagugH4Q CSS code: same as last video
Views: 18134 EJ Media
JavaScript Tutorial for Beginners - 39 - Create attribute
 
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In this video we will create an attribute node - this will be an ID attribute but we can add any type of attribute we want - href, class, etc. Javascript code: http://pastebin.com/VemWzRVY HTML code: http: http://pastebin.com/WzyvbTXq CSS Code: http://pastebin.com/Zu27Pm0q
Views: 24896 EJ Media
JavaScript Tutorial - getElementsByClassName
 
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return type = HTMLCollection collection = document.getElementsByClassName(classes) collection = element.getElementsByClassName(classes) Returns a HTMLCollection of the elements in the object on which the method was invoked (a document or an element) that have all the classes given by classes. The classes argument is interpreted as a space-separated list of classes. https://github.com/webtunings https://www.facebook.com/pages/WebTunings/339234242822202 I highly recommend this book for beginners as well as advanced programmers: http://www.amazon.com/gp/product/0596805527/ref=as_li_qf_sp_asin_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0596805527&linkCode=as2&tag=webtuningscom-20
Views: 2629 WebTunings
JavaScript DOM Tutorial in Hindi Part 20: JavaScript Parent Child Sibling | DOM Traversal
 
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Welcome all, we will see how to access parent-child siblings using DOM methods in JavaScript. We will also see Relationship between parent-child and siblings. Parent, Child, and Sibling Nodes Any subnode of a given node is called a child node, and the given node, in turn, is the child’s parent. Sibling nodes are nodes on the same hierarchical level under the same parent node. Nodes higher than a given node in the same lineage are ancestors and those below it are descendants.The terms parent, child, and sibling are used to describe the relationships. In a node tree, the top node is called the root (or root node); Every node has exactly one parent, except the root (which has no parent); A node can have a number of children; Siblings (brothers or sisters) are nodes with the same parent. Methods are parentNode childNodes[nodenumber] firstChild lastChild nextSibling previousSibling Guys, Please support my channel by SUBSCRIBE to my channel and share my videos in your Social Network TimeLines. Don't Forget to Follow me on all Social Network, Instagram Link: https://www.instagram.com/vinodthapa55 Facebook Link: https://www.facebook.com/vinodthapa55 Twitter Link: https://twitter.com/vb55thapa Facebook ThapaTechnical Page Link: https://www.facebook.com/vinodbahadurthapa
Views: 1777 Thapa Technical
classList Property in JavaScript (Hindi)
 
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classList Property in JavaScript You can find out our HTML Complete Video tutorials : http://goo.gl/O254f9 CSS Complete Video Tutorial Playlist: http://goo.gl/On2Bh1 Feel free to share this video Core JavaScript Complete Video Tutorial Playlist https://goo.gl/A517jQ Advance JavaScript Complete Video Tutorial Playlist https://goo.gl/mNTBhU Check Out Our Other Playlists: https://www.youtube.com/user/GeekyShow1/playlists SUBSCRIBE to Learn Programming Language ! http://goo.gl/glkZMr Learn more about subject: http://www.geekyshows.com/ __________________________________________________________ If you found this video valuable, give it a like. If you know someone who needs to see it, share it. If you have questions ask below in comment section. Add it to a playlist if you want to watch it later. ___________________________________________________________ T A L K W I T H M E ! Business Email: [email protected] Youtube Channel: https://www.youtube.com/c/geekyshow1 Facebook: https://www.facebook.com/GeekyShow Twitter: https://twitter.com/Geekyshow1 Google Plus: https://plus.google.com/+Geekyshowsgeek Website: http://www.geekyshows.com/ ___________________________________________________________ Make sure you LIKE, SUBSCRIBE, COMMENT, and REQUEST A VIDEO :) ___________________________________________________________
Views: 241 Geeky Shows
JavaScript event capturing
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2015/01/javascript-event-capturing.html Event capturing is the opposite of event bubbling. We discussed event bubbling in detail in Part 40 of JavaScript tutorial. With event bubbling the event bubbles up from the inner most element to the outer most element in the DOM hierarchy. With event capuring the opposite happens, the event gets captured from the outer most element to innermost element. In real world event capturing is rarely used. Let us understand this with an example. In the following example we have 3 [div] nested elements. Notice that we are using addEventListener() method to assign event handler to each [div] element. To enable event capturing we have set the third parameter (phase) of addEventListener() method to true. Now when you click on the innermost [div] (DIV3), notice that the events are fired from the outermost [div] to innermost [div] (DIV1 =] DIV 2 =] DIV 3). [html] [head] [style type="text/css"] .divStyle { display: table-cell; border: 5px solid black; padding: 20px; text-align: center; } [/style] [/head] [body] [div id="DIV1" class="divStyle"] DIV 1 [div id="DIV2" class="divStyle"] DIV 2 [div id="DIV3" class="divStyle"] DIV 3 [/div] [/div] [/div] [script type="text/javascript"] var divElements = document.getElementsByTagName('div'); for (var i = 0; i [ divElements.length; i++) { divElements[i].addEventListener("click", clickHandler, true); } function clickHandler() { alert(this.getAttribute("id") + " click event handled"); } [/script] [/body] [/html] Please note : IE8 and earlier versions does not support addEventListener() method. This implies that event capturing is not supported in IE8 and earlier versions, and hence the above code will not work in IE 8 and earlier versions. Stopping event capturing : Stopping event capturing is very similar to stopping event bubbling. With the example below, when you click on any [div] element notice that DIV 1 element handles the click event and it does not get captured down. [html] [head] [style type="text/css"] .divStyle { display: table-cell; border: 5px solid black; padding: 20px; text-align: center; } [/style] [/head] [body] [div id="DIV1" class="divStyle"] DIV 1 [div id="DIV2" class="divStyle"] DIV 2 [div id="DIV3" class="divStyle"] DIV 3 [/div] [/div] [/div] [script type="text/javascript"] var divElements = document.getElementsByTagName('div'); for (var i = 0; i [ divElements.length; i++) { divElements[i].addEventListener("click", clickHandler, true); } function clickHandler(event) { event.stopPropagation(); alert(this.getAttribute("id") + " click event handled"); } [/script] [/body] [/html] Using addEventListener() method with last argument set to true is the only way to enable event capturing. If the thid parameter (phase) is set to true event capturing is enabled and if it is set to false event bubbling is enabled. If you want both even bubbling and capturing to be enabled, then assign handlers 2 times, once with the phase parameter set to false and once with the phase parameter set to true as shown below. [html] [head] [style type="text/css"] .divStyle { display: table-cell; border: 5px solid black; padding: 20px; text-align: center; } [/style] [/head] [body] [div id="DIV1" class="divStyle"] DIV 1 [div id="DIV2" class="divStyle"] DIV 2 [div id="DIV3" class="divStyle"] DIV 3 [/div] [/div] [/div] [script type="text/javascript"] var divElements = document.getElementsByTagName('div'); for (var i = 0; i [ divElements.length; i++) { divElements[i].addEventListener("click", clickHandler, false); divElements[i].addEventListener("click", clickHandler, true); } function clickHandler() { alert(this.getAttribute("id") + " click event handled"); } [/script] [/body] [/html] With both event capturing and bubbling enabled, events are first captured from the outermost element to the innermost element and then bubbles up from the innermost to the outermost element.
Views: 35522 kudvenkat
Javascript Tutorial - 3 |  getElementsByTagName
 
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Element.getElementsByTagName () yöntemi, verilen etiket adı olan öğelerin canlı bir HTMLCollection öğesini döndürür. Belirtilen öğenin altındaki alt ağaç araması, öğe hariç tutulduğunda aranır. Döndürülen liste canlı, yani otomatik olarak DOM ağacıyla kendini güncelleştirir. Sonuç olarak Element.getElementsByTagName () öğesini aynı öğeyle ve bağımsız değişkenlerle birkaç kez çağırmaya gerek yoktur.
Views: 450 izleveogren
javascript dom tutorial - document object model (dom) api, javascript object in bangla
 
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In this video I have described about document object model api in javascript in Bangla. Hope you will understand dom api very easily from this video. Source file and tutorial will be available in following link: https://github.com/polodev/javascript_dom_yt_bangla js object object is a composite data type in js. We can store data in object with key value pairs. here key also known as properties. If key value is a function we called it method. We can access object key using . notation or [index] . . is easy to use and require less typing and look clean. var person = { first_name: 'sumon', last_name: 'ahmed', fullName: function () { return person.first_name + " " + person.last_name; } } Here person is a object. which has first_name and last_name properties and fullName method. Document object model (DOM) Document object model is a javascript api which help us to manipulate html document in browser. Here html can be getting and mutate through document object. document object contain lot of properties and method which help us to manipulate html document. suppose we want to change html or text content of an element in such case we will do following // for html element_name.innerHTML = "some html content" // for text element_name.innerText = "some html content" In order to manipulate dom we first select an element. Whenever we select an element it could be single element or array of element. We can getting or setting directly single element. But if its return array of element we have to destruct array to single element by index or iterate (looping). Then we will be able to set or get value from element. some single return document.title // it will give us string. Since entire document title occur only one times. document.body // it will give us string. Since entire document body occur only one times. document.getElementById('some_id') // it will give us string since id will be unique in entire page. some array return document.getElementsByTagName('h1') it will give us array return. Since h1 could be occur in html page multiple times. in this case we can access our appropriate h1 element by indexing like document.getElementsByTagName('h1')[0] When we want to mutate all element of a array return we should iterate it with loop. Like following var a = document.getElementsByTagName('a'); for (variable initialization, condition, increment or decrement) { a[i].style.color = 'red'; }
Views: 189 shibu deb polo
19 javascript جافا سكريبت document getElementsByTagName getElementsByClassName تجميع كل عناصر الصفحة
 
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تعلم Javascript , شرح Javascript , جافا سكريبت (بالإنجليزية: JavaScript) هي لغة برمجة عالية المستوى تستخدم أساسا في متصفحات الويب لإنشاء صفحات أكثر تفاعلية. يتم تطويرها حاليا من طرف شركة نتسكيب وشركة موزيلا JavaScript , often abbreviated as JS, is a high-level, dynamic, weakly typed, object-based, multi-paradigm, and interpreted client-side programming language. Alongside HTML and CSS, JavaScript is one of the three core technologies of World Wide Web content production. It is used to make webpages interactive and provide online programs, including video games انضم الي جروب الكورس https://www.facebook.com/groups/javascript.all/ شرح java Script بالعربي Arabic تعليم جافا سكريبت بالعربى ان شاء الله الكورس متجدد دائماً - تابعونا اسهل طريقة لتعلم وشرح لغة الجافا سكريبت بالتفصيل من البداية الي الاحتراف - جافا سكريبت طريقك الي اندرويد لتفعل ما تريد في تطبيقات الآندرويد The easiest way to learn the java Script language explains in detail from beginning to professionalism ( Zero To Hero ) - java Script your way to Android to do what you want in Android applications تابعوا الدروس اول بأول فقط علي اكاديمية حسونة حلقة هامة جداً وفي غاية الأهمية جافا سكريبت java Script
Views: 1896 Hassouna Academy
what is document.getElementsByName() in javascript explained with example
 
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what is document.getElementsByName() in JavaScript explained with example
Views: 342 WhatsMySuggestion
Image gallery with thumbnails in JavaScript
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2015/01/image-gallery-with-thumbnails-in.html In this video we will discuss creating image gallery with thumbnails in JavaScript. When you click on the image thumnail, the respective image should be displayed in the main section of the page. For the purpose of this demo we will be using the images that can be found on any windows machine at the following path. C:\Users\Public\Pictures\Sample Pictures Step 1 : Open Visual Studio and create a new empty asp.net web application project. Name it Demo. Step 2 : Right click on the Project Name in Solution Explorer in Visual Studio and create a new folder with name = Images. Step 3 : Copy images from C:\Users\Public\Pictures\Sample Pictures to Images folder in your project. Step 4 : Right click on the Project Name in Solution Explorer in Visual Studio and add a new HTML Page. It should automatically add HTMLPage1.htm. Step 5 : Copy and paste the following HTML and JavaScript code in HTMLPage1.htm page. [html] [head] [style type="text/css"] .imgStyle { width:100px; height:100px; border:3px solid grey; } [/style] [/head] [body] [img id="mainImage" height="500px" width="540x" src="/Images/Hydrangeas.jpg" style="border:3px solid grey"/] [br /] [div id="divId" onclick="changeImageOnClick(event)"] [img class="imgStyle" src="/Images/Hydrangeas.jpg" /] [img class="imgStyle" src="/Images/Jellyfish.jpg" /] [img class="imgStyle" src="/Images/Koala.jpg" /] [img class="imgStyle" src="/Images/Penguins.jpg" /] [img class="imgStyle" src="/Images/Tulips.jpg" /] [/div] [script type="text/javascript"] var images = document.getElementById("divId").getElementsByTagName("img"); for (var i = 0; i [ images.length; i++) { images[i].onmouseover = function () { this.style.cursor = 'hand'; this.style.borderColor = 'red'; } images[i].onmouseout = function () { this.style.cursor = 'pointer'; this.style.borderColor = 'grey'; } } function changeImageOnClick(event) { event = event || window.event; var targetElement = event.target || event.srcElement; if(targetElement.tagName == "IMG") { mainImage.src = targetElement.getAttribute("src"); } } [/script] [/body] [/html] Finally run the application and test it.
Views: 61930 kudvenkat
getElementById and ClassName
 
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This is about the document.getElementById in javascript and document.getElementsByClassName.
Views: 214 Ryland Goldman
JavaScript for Beginners - 04 - Modify the DOM using getElementsByTagName and getElementById
 
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In this tutorial we use JavaScript to modify the inner HTML of elements on the page, by tag name and ID. Additional Resources: https://developer.mozilla.org/en-US/docs/Web/API/Document/getElementById https://developer.mozilla.org/en-US/docs/Web/API/Document/getElementsByTagName
Views: 20 5MinuteDev
2. Javascript - document.getElementById
 
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Views: 7024 Prateek Singh
Javascript document get element by id - in Telugu
 
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In This Video You will Learn ====================== Javascript document get element by id - in Telugu About SEO skills ----------------------------------- www.seoskills.in is digital marketing and branding training academy located in Hyderabad, India. We train students, working employee’s and house wives digital marketing and branding tools. Website: https://www.seoskills.in Blog: https://www.alltechskills.com Facebook: https://www.facebook.com/DigitalVidyaHyd
Views: 2908 SEO Skills
JavaScript Training Tutorial HTML DOM Nodelist
 
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Learn about JavaScript at www.teachUcomp.com. Get the complete tutorial FREE at http://www.teachucomp.com/free Visit us today!
Views: 487 TeachUComp
JavaScript - 23. Introduction to HTML DOM
 
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From this video, we will be looking at HTML DOM, and using it in JavaScript. DOM stands for Document Object Model, and by using HTML DOM, we can create dynamic HTML webpages.
Views: 19401 Loot Tutorial
Learn JS HTML Dom In Arabic #07 - Elements - GetAttribute, SetAttribute
 
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تعلم كيف تحصل على محتوى ال Attribute وتغييره بسهولة عن طريق GetAttribute, SetAttribute
Views: 9012 Elzero Web School
innerText in JavaScript (Hindi)
 
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innerText in JavaScript You can find out our HTML Complete Video tutorials : http://goo.gl/O254f9 CSS Complete Video Tutorial Playlist: http://goo.gl/On2Bh1 Feel free to share this video Core JavaScript Complete Video Tutorial Playlist https://goo.gl/A517jQ Advance JavaScript Complete Video Tutorial Playlist https://goo.gl/mNTBhU Check Out Our Other Playlists: https://www.youtube.com/user/GeekyShow1/playlists SUBSCRIBE to Learn Programming Language ! http://goo.gl/glkZMr Learn more about subject: http://www.geekyshows.com/ __________________________________________________________ If you found this video valuable, give it a like. If you know someone who needs to see it, share it. If you have questions ask below in comment section. Add it to a playlist if you want to watch it later. ___________________________________________________________ T A L K W I T H M E ! Business Email: [email protected] Youtube Channel: https://www.youtube.com/c/geekyshow1 Facebook: https://www.facebook.com/GeekyShow Twitter: https://twitter.com/Geekyshow1 Google Plus: https://plus.google.com/+Geekyshowsgeek Website: http://www.geekyshows.com/ ___________________________________________________________ Make sure you LIKE, SUBSCRIBE, COMMENT, and REQUEST A VIDEO :) ___________________________________________________________
Views: 245 Geeky Shows
Cool Javascript Tricks
 
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Dancing Images Code: javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("img"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0); Dancing Elements Code: javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("div"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0); How to find someone's password: javascript: alert(document.getElementById('Passwd').value); How to change the background color of the page you are looking at: javascript: document.body.style.backgroundColor = "red"; void 0
Views: 317 Time_Traveler
Javascript Boredom
 
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Just a video I made of me butchering websites while I was bored :) The scripts I used were To make all pictures fly around: javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("img"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0); To make all links fly around: javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("a"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0); To make all paragraphs (like in blogs) fly around: javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("p"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0); To edit any text real time in a web page: javascript:document.body.contentEditable='true'; document.designMode='on'; void 0
Views: 52931 scamander24
Tutorial Javascript parte 18 - getElementsByName()
 
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getElementsByName: http://www.w3schools.com/jsref/met_doc_getelementsbyname.asp En esta parte del tutorial veremos como utilizar el método getElementsByName() que nos permitirá acceder a los elementos del DOM HTML a través de su atributo name. #javascript #jquery
Views: 1713 Manuel J. Dávila

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