jquery1.4 Tutorial 1 Convenient setting function_jquery

Convenient setting function
Most of the setting value pair methods of jquery1.4 can set the second parameter as a callback function. For example: .css(), .attr(), .val(), .html(), .text().
This statement is very abstract, let’s look at an example http://demo.jb51.net/js/jquery1.4/jquery_1.htm

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>Convenient setting function</title> <link href="basic.css" rel="stylesheet" type="text/css"> <link href="demo.css" rel="stylesheet" type="text/css"> <h1 class="left_h1"> </h1> <p>Improvement 1: Most of the setting value pair methods of jquery1.4 can set the second parameter as a callback function. For example: .css(), .attr(), .val(), .html(), .text(). </p> <h4></h4> <p>Watch the demo below<a href="" id="a1" title="娴"></a></p>