<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
$(document).ready(function(){
$("p").on("click.mySomething",function(){
$("button").click(function(){
$("p").off("click.mySomething");
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<p>Click any p element to make it disappear.</p>
<button>Remove the click.mySomething namespace for all p elements</button>
<div>"click.mySomething" defines the mySomething namespace for this particular click event. This event could be removed by using .off("click.mySomething"), without removing other click handlers attached to the specified element.