//知识点1:
删除元素的style属性
元素.removeAttribute("style");
<!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=gbk"> <title>函数传参，改变Div任意属性的值</title> <style type="text/css"> body,p{margin:0;padding:0;} body{color:#333;font:12px/1.5 Thoma;padding-top:10px;} #outer{width:300px;margin:0 auto;} p{margin-bottom:10px;} button{margin-right:5px;} label{width:5em;display:inline-block;text-align:right;} input{padding:3px;font-family:inherit;border:1px solid #ccc;} #div1{color:#fff;width:180px;height:180px;background:#000;margin:0 auto;padding:10px;} </style> </head> <body> <div id="outer"> <p><label>属性名:</label><input type="text" value="background" /></p> <p><label>属性值:</label><input type="text" value="blue" /></p> <p><label></label><button>确定</button><button>重置</button></p> </div> <div id="div1">在上方输入框输入"属性名"及"属性值"，点击确定按钮查看效果</div> <script type="text/javascript"> //知识点1: //删除元素的style属性 //元素.removeAttribute("style"); function modify(ele,key,val){ ele.style[key] = val; } window.onload = function(){ var inputs = document.getElementsByTagName("input"); var div1 = document.getElementById("div1"); var button = document.getElementsByTagName("button"); button[0].onclick = function(){ modify(div1,inputs[0].value,inputs[1].value); } button[1].onclick = function(){ div1.removeAttribute("style"); } }; </script> </body> </html>