remove

UK[r??mu:v] US[r??muv]

vt.Remove; expel; take off, take off; migrate

vi. Migrate, emigrate; leave

n. Distance, gap; move

data

UK[?de?t?] US[?det?, ?d?t?, ?dɑt?]

n. Data, material; plural of datum; [computer] data, information; value extracted from scientific experiments

jquery removeData() method syntax

Function: removeData() method deletes the data previously set through the data() method.

Syntax: $(selector).removeData(name)

Parameters:

ParameterDescription
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() method example

<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 元素添加數(shù)據(jù)</button><br />
<button id="btn2">從 div 元素刪除數(shù)據(jù)</button>
<div></div>
</body>
</html>
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