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Examples of attr and removeAttr methods in JQuery

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Author: User
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Examples of attr and removeAttr methods in JQuery

This document describes the attr and removeAttr methods in JQuery. Share it with you for your reference. The details are as follows:

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<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN"

Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd>

<Html xmlns = "http://www.w3.org/1999/xhtml">

<Head>

<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>

<Title> </title>

<Style type = "text/css">

Div {width: 100px; margin: 0px auto; border: 1px solid red ;}

</Style>

<Script src = "jquery-1.6.2.min.js" type = "text/javascript"> </script>

<Script type = "text/javascript">

$ (Function (){

$ ("# BtnChange"). click (function (){

Var $ divs = $ ("div ");

// ---- 1. Example 1

// $ Divs. eq (0). attr ("MyAttr", "Ronaldo ");

// Return the specified JQuery object for the eq (Note: $ divs has two div dom elements)

// $ Divs. eq (1). attr ("MyAttr", "Ronaldo1 ");

// Alert ($ divs. attr ("MyAttr "));

// Read the MyAttr attribute. Note that only the attribute of the first element is read.

// ---- 2. Example 2 setting attr in JSon format

// $ Divs. eq (0). attr ({"MyAttr": "Ronaldo", "Age": "19 "});

// $ Divs. eq (1). attr ({"MyAttr": "Rivaldo", "Age": "29 "});

// Alert ("MyAttr:" + $ divs. eq (1 ). attr ("MyAttr") + ", Age:" + $ divs. eq (1 ). attr ("Age "));

// ---- 3. Example 3 remove an attribute

$ Divs. eq (0). attr ({"MyAttr": "Ronaldo", "Age": "19 "});

$ Divs. eq (1). attr ({"MyAttr": "Rivaldo", "Age": "29 "});

Alert ("MyAttr:" + $ divs. eq (1 ). attr ("MyAttr") + ", Age:" + $ divs. eq (1 ). attr ("Age "));

$ Divs. eq (1). removeAttr ("Age ");

Alert ("MyAttr:" + $ divs. eq (1 ). attr ("MyAttr") + ", Age:" + $ divs. eq (1 ). attr ("Age "));

});

});

</Script>

</Head>

<Body>

<Input id = "btnChange" type = "button" value = "Click Me"/>

<Div id = "div1"> I am div1 </div>

<Div id = "div2"> I am div2 </div>

</Body>

</Html>

I hope this article will help you with jQuery programming.

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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