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源代码：
点击运行
<!DOCTYPE html> <html> <head> <script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").click(function(){ $("p").toggle(1000); }); }); </script> </head> <body> <button>Toggle between hide and show for a p element</button> <p>This is a paragraph.</p> </body> </html>
运行结果
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