js事件测试 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>豪情-js事件测试</title> <style> div{margin:5px auto;} p{margin:0 auto;400px;} #txt1{400px;font-size:14px;padding:2px 5px;} #txt2{400px;height:30px;background:#333;color:#fff;padding:5px;} input{400px;padding:5px 10px;} </style> </head> <body> <script type="text/javascript"> var oTextbox = document.getElementById('txt1'); function clear(){ oTextbox.value = ""; } </script> <div id="txt2" onmouseover="handle(event)" ></div> <p><textarea name="" id="txt1" cols="30" rows="10"> clear 运行代码