jquery removeData() method
Translation results：
remove
UK[rɪˈmu:v] US[rɪˈmuv]
vt.Remove; expel; take off, take off; migrate
vi. Migrate, emigrate; leave
n. Distance, gap; move
data
UK[ˈdeɪtə] US[ˈdetə, ˈdætə, ˈdɑtə]
n. Data, material; plural of datum; [computer] data, information; value extracted from scientific experiments
jquery removeData() methodsyntax
Function: removeData() method deletes the data previously set through the data() method.
Syntax: $(selector).removeData(name)
Parameters:
| Parameter | Description |
| name | Optional. Specifies the name of the data to be deleted. If no name is specified, this method will remove all stored data from the selected element. |
jquery removeData() methodexample
<html>
<head>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#btn1").click(function(){
$("div").data("greeting", "Hello World");
alert("Greeting is: " + $("div").data("greeting"));
});
$("#btn2").click(function(){
$("div").removeData("greeting");
alert("Greeting is: " + $("div").data("greeting"));
});
});
</script>
</head>
<body>
<button id="btn1">向 div 元素添加数据</button><br />
<button id="btn2">从 div 元素删除数据</button>
<div></div>
</body>
</html>Click the "Run instance" button to view the online instance