javascript getelementbyid add class

Town Field Poem:The Pure Heart sentiment wisdom language, does not have the world name and the benefit. Learn water under the hundred rivers, give up arrogant slow meaning.Learn to have a small return to feed root, willing to cast a conscience blog. Sincere in this writing experience, willing to see the text to inspire.——————————————————————————————————————————CodeWhen I want to show the effect of the time, found that a small hand is gone ... So, the effect can't be shown.———————————————————————

tagname (Tag Name). Of course, a document contains the same tag, so this method also gets an array. For example: To sum up the standard DOM, try to use the standard getelementbyid () for accessing a specific element, and use the standard getelementbytagname () for the access tag. However, ie does not support getelementsbyname (), therefore, you must avoid using getelementsbyname (), but getelementsbyname () and non-conforming document. all [] is not

tagname (Tag Name). Of course, a document contains the same tag, so this method also gets an array. For example: To sum up the standard DOM, try to use the standard getelementbyid () for accessing a specific element, and use the standard getelementbytagname () for the access tag. However, ie does not support getelementsbyname (), therefore, you must avoid using getelementsbyname (), but getelementsbyname () and non-conforming document. all [] is not

of course have the same label, so this method is also to get an array.For example:Summarize the standard DOM, access a specific element as far as possible with the standard getElementById (), access the label with the standard Getelementbytagname (), but IE does not support getelementsbyname (), So avoid using getelementsbyname (), but Getelementsbyname () and non-conforming document.all[] are not all virgin, they have their own convenience, with no

Add and remove class names based on JavaScript and remove class names using javascript Method 1: Use the className attribute; Method 2: Use the classList API; // Function reg (name) {return new RegExp ('(^ | \ s)' + name + '(\ s + | $) ');} // hasClass addClass removeClass t

. getelementsbytagname ("Div"); Docnobj [0]. style. backgroundcolor ="Black"; Docnobj [1]. style. backgroundcolor ="Black"; } --> Script > Total Conclusion: Summary Standard Dom To access a specific element and try to use the standard Getelementbyid () , Use standard Getelementbytagname (), However IE Not Supported Getelementsbyname () , Avoid using Getelementsbyname () , Getelementsbyname () And non-conforming Document. Al

When working with class, it is often necessary to overlay or delete a class, where native JavaScript is used to write a method for reference.Here is the HTML codeDOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd ">HTMLxmlns= "http://www.w3.org/1999/xhtml"Xml:lang= "en">Head>Metahttp-equiv= "Cont

array ' arr.length-= 1;arr.length-= 2 ' * Delete The most subsequent element pop () * Deletes the first element of an array shift () * deletes the specified number of elements at the specified position splice ( index, length) # # # Array traversal* For Loop* For in Span style= "COLOR: #b22222" >### multidimensional array ### Array method *join ([spacer symbol]) stitch Each element of an array into a string return string Span style= "COLOR: #808080" >*slice (start, en

This article describes how to modify, add, and delete class styles in JavaScript. it is very useful to modify the className of a label, for more information about how to modify, add, and delete class styles in js, see the examples in this article. Share it with you for your

return private1 ;}}) (); var b1 = new a (); var b2 = new (); b1.publicMethod1 ('s '); console. log (b1.publicMethod2 (); console. log (b2.publicMethod2 ()); First class library base. js After learning about the basic object-oriented and prototype, We will encapsulate our first class library. This class has the following functions: You can use id,

functions independently650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M01/7E/74/wKioL1cA6fTi_vsMAABGkDXuIHI934.png "title=" Web.png "alt=" Wkiol1ca6fti_vsmaabgkdxuihi934.png "/>-You can also use the $.extend () function to make the definition of a function clearer650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M02/7E/77/wKiom1cA6YXTJnXNAABMNDC_zYg721.png "title=" Web.png "alt=" Wkiom1ca6yxtjnxnaabmndc_zyg721.png "/>-can add global func

A very good javascript class. A very good javascript class. The Code is as follows: /** Author: aoao* Homepage: http://www.loaoao.com* Email: loaoao@gmail.com/QQ: 2222342* Copyright (c) 2006 aoao* Licensed under a Creative Commons Attribution 2.5 License (http://creativecommons.org/licenses/by/2.5)*/Var jscc = new Ob

In many traditional languages (such as C/C ++/Java/C #), functions exist as second-class citizens, you can only declare a function with the keyword of the language and call it. If you need to pass the function as a parameter to another function, or assign a value to a local variable, or return a value, then... syntaxHighlighter. all (); IntroductionIn many traditional languages (such as C/C ++/Java/C #), functions exist as second-

object is deleted in the DOM tree, because of this circular reference, neither the DOM object nor the closure will be released. The following method can be used to avoid Memory leakage: [Javascript]Var elem = document. getElementById ('test ');Elem. addEventListener ('click', function (){Alert ('You clicked' + this. tagName); // The elem variable is no longer directly referenced.}); Var elem = document.

Share a common javascript static class and a javascript static class If you don't talk much about it, simply provide the Code. If you know what to do with it, take it directly. Copy codeThe Code is as follows:Util = function (){Return {$: Function (id ){Return document. getElementB