1.先上效果
---------------------------------------------------------这是默认显示的时候------------------------------------------
-----------------------------------------------这是再点击隐藏的时候------------------------------------------
下方代码贴出，有需要的C-V直接浏览器查看！
<!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></title>
<style>
</style>
<script type="text/javascript" >
//点击div事件
function showOrHideDiv(){
var showState = document.getElementById("testDivId").style.display;
if (showState == "none") {
document.getElementById("testDivId").style.display = "block";
} else {
document.getElementById("testDivId").style.display = "none";
}
}
</script>
</head>
<body>
<div id="testDivId" style="background-color:black;height:500px;width:500px;">
</div>
<h1 οnclick="showOrHideDiv()" style="color:red;">点我显示/隐藏DIV</h1>
</body>
</html>