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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>本教程(w3big.com)</title> <script src="http://cdn.static.w3big.com/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").click(function(){ $("body").append($("p:first").clone(true)); }); $("p").click(function(){ $(this).animate({fontSize:"+=1px"}); }); }); </script> </head> <body> <p>单击段落增加文本的大小。</p> <p>这是另一个段落。</p> <button>复制第一个p元素(包括事件处理程序),并附加到body元素中</button> </body> </html>