<!DOCTYPE html>
<html>
<head>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.js">
</script>
<body>
<ul>
<li>Glen</li>
<li>Tane</li>
<li>John</li>
</ul>
<button>hit</button>
<script>
$("button").click(function(){
var jet=$("ul li").length;
})
</script>
</body>
How to use the parameters obtained by jet on another page?
1. Use local storage
2. Use cookies
3. Save jet as a parameter in the url, and get the jet parameters on another page