Html代碼
<!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=gb2312" />
<title>控制p屬性</title>
<style>
#outer{width:500px;margin:0 auto;padding:0;text-align:center;}
#p1{width:100px;height:100px;background:black;margin:10px auto;display:block;}
</style>
<script>
var changeStyle = function (elem, attr, value)
{
elem.style[attr] = value
};
window.onload = function ()
{
var oBtn = document.getElementsByTagName("input");
var oDiv = document.getElementById("p1");
var oAtt = ["width","height","background","display","display"];
var oVal = ["200px","200px","red","none","block"];
for (var i = 0; i < oBtn.length; i++)
{
oBtn[i].index = i;
oBtn[i].onclick = function ()
{
this.index == oBtn.length – 1 && (oDiv.removeAttribute("style"));
changeStyle(oDiv, oAtt[this.index], oVal[this.index])
}
}
};
</script>
</head>
<body>
<p id="outer">
<input type="button" value="變寬" />
<input type="button" value="變高" />
<input type="button" value="變色" />
<input type="button" value="隱藏" />
<input type="button" value="重置" />
<p id="p1"></p>
</p>
</body>
</html>
作者“Rebecca”
