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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(){ $("#btn1").click(function(){ $("div").data("greeting", "Hello World"); }); $("#btn2").click(function(){ alert($("div").data("greeting")); }); }); </script> </head> <body> <button id="btn1">Attach data to div element</button><br> <button id="btn2">Get data attached to div element</button> <div></div> </body> </html>
运行结果
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