$().data()
2018年9月7日自己体会吧.
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<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <script src="https://code.jquery.com/jquery-2.2.4.js" integrity="sha256-iT6Q9iMJYuQiMWNd9lDyBUStIq/8PuOW33aOqmvFpqI=" crossorigin="anonymous"></script> </head> <body> <button id="btn1">把数据添加到 div 元素</button> <br/> <button id="btn2">获取已添加到 div 元素的数据</button> <div></div> <script type="text/javascript"> $(document).ready(function () { $("#btn1").click(function () { $("div").data("greeting", "Hello World"); }); $("#btn2").click(function () { alert($("div").data("greeting")); }); }); </script> </body> </html> |