<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>display</title> <script type="text/javascript"> function hidetext() { var mychar = document.getElementById("con"); Object.style.display=none } function showtext() { var mychar = document.getElementById("con"); Object.style.display=block } </script> </head> <body> <h1>JavaScript</h1> <p id="con">做为一个Web开发师来说，如果你想提供漂亮的网页、令用户满意的上网体验，JavaScript是必不可少的工具。</p> <form> <input type="button" onclick="hidetext()" value="隐藏内容" /> <input type="button" onclick="showtext()" value="显示内容" /> </form></body> </html>
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