<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title> 光标聚焦事件 </title> <script type="text/javascript"> function message(){ alert("请选择,您现在的职业!"); }, function message1(){ var new2=document.getElementById("new1"); new2.style.backgroundColor="pink"; } </script></head><body> <form> <input onmouseover="message()" value="请选择您的职业:"> <select name="career" id="new1" onfocus="message1()"> <option>学生</option> <option>教师</option> <option>工程师</option> <option>演员</option> <option>会计</option> </select> </form></body></html>
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