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<!doctype html> <html> <head> <meta charset="utf-8"> <style> #div1{ height:200px; width:100px; border:1px #999999 solid; display:none; } </style> <title>无标题文档</title> <script type="text/javascript"> window.onload = function () { var obtn = document.getElementById(‘btn‘); var odiv = document.getElementById(‘div1‘); obtn.onclick = function (ev) { var ev = ev || event; ev.cancelBubble = true; odiv.style.display = ‘block‘; } document.onclick = function () { odiv.style.display = ‘none‘; } }; </script> </head> <body> <input type="button" id="btn" value="确认"> <div id="div1"></div> <p>1111111111</p> </body> </html>
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原文地址：http://www.cnblogs.com/mayufo/p/4218874.html
