<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title> 鼠标经过事件 </title> <script type="text/javascript"> function message(){ var p=document.getElementById("pass"); if(p.value=="") { var que=document.getElementById("okk"); que.style.color="red"; if(confirm("请输入密码后,再单击确定!")) { p.focus(); } esle { p.focus(); que.style.color="blue"; } } } </script> </head> <body> <form> 密码:<input name="password" id="pass" type="password" > <input name="确定" id="okk" type="button" value="确定" onmouseover="message()"/> </form> </body> </html>
单词拼写错误,是“else”不是“esle”