Summary related to JQuery element attribute control-JS Tutorial-php.cn

Summary related to JQuery element attribute control

巴扎黑

Release： 2017-06-20 16:26:20

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The code is as follows:

<!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" /> 
<script src="js/jquery-1.3.2.js" ></script> 
<script type="text/
javascript
"><!-- 
    $(function(){ 
             $("#aAttr1").click(function(){ 
                    $(    ":text").attr("value",$("#pTest").attr("id"));                 
                }) 
             $("#aAttr2").click(function(){ 
                    $(    ":text").attr("value",function(){ 
                                                             
return
 $("#pTest").attr("id");         
                                                     });                 
                }) 
             $("#aAttr3").click(function(){ 
                    $(    ":text").attr({value:"test2"}); 
                }) 
             $("#aAttr4").click(function(){ 
                    $("#inputTest2").removeAttr("value");     
                }) 
    }) 
// --></script> 
<title>无标题文档</title> 
</head> 
<body> 
<form> 
<input id="inputTest1" type="text" /> 
<input id="inputTest2" type="text" value="test" /> 
<p id="pTest">123</p> 
<a href="#" id="aAttr1">在text表单中显示p的ID方法1</a>｜ 
<a href="#" id="aAttr2">在text表单中显示p的ID方法2</a>｜ 
<a href="#" id="aAttr3">在text表单中显示test2</a>｜ 
<a href="#" id="aAttr4">去除inputTest2的value属性</a>｜ 
<input type="reset" /> 
</form> 
</body> 
</html>

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1.element.attr(name)
Description : Used to get the name attribute value of a certain element. For example, $("#pTest").attr("id") in the example can get the ID value of pTest.
2.element.attr(name, value)
Description: Used to set the name attribute value of an element, such as $(":text").attr("value",$("# in the example) pTest").attr("id")) assigns the ID value of pTest to the value value of the text form.
Note: In the example (":text") is used to obtain the elements whose input form type is text. Similarly, other forms can also be obtained in the same way, such as You can use $(":button") to get it, and its return value is Array(Element). You can also use $(":input") to get all input elements. . To get and set the text and value of an element in JQuery, you can also use element.text()/element.text(value), element.val()/element.val(Value), the usage is the same as element.html() , if you have any questions, you can leave a comment and I will explain

3.element.attr(name,function)
Description: Used to set the name attribute value of an element is similar to the previous one, except here The value can be written as a function, which is more flexible.
4.element.remove(name);
Description: Used to remove the name attribute of an element.

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