jquery undelegate() method

Translation results：

delegate

UK[ˈdelɪgət] US[ˈdɛlɪˌɡet]

n. Representative, delegation member

vt. Appointed representative; authorized to ;[Legal]Debt transfer

jquery undelegate() methodsyntax

Function: The unelegate() method deletes one or more event handlers added by the delegate() method.

Syntax: $(selector).undelegate(selector,event,function)

##Parameters:

ParametersDescriptionselector Optional. Specifies the selector that requires event handlers to be removed. event Optional. Specifies one or more event types for which handlers need to be removed. function Optional. Specifies the specific event handler function to be deleted.

jquery undelegate() 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(){
  $("body").delegate("p","click",function(){
    $(this).slideToggle();
  });
  $("button").click(function(){
    $("body").undelegate();
  });
});
</script>
</head>
<body>
<p>这是一个段落。</p>
<p>这是另一个段落。</p>
<p>点击任何段落可以令其消失。包括本段落。</p>
<button>从所有元素删除由 delegate() 方法添加的事件处理器</button>
</body>
</html>

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