用js改变DIV样式小实例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>div改变css样式</title>
<style>
#box{width:200px;height: 200px;background: lawngreen; }
</style>
</head>
<body>
<div id="box"></div>
<input type="button" value="变高" onclick="one()">
<input type="button" value="变宽" onclick="two()">
<input type="button" value="变圆" onclick="tree()">
<input type="button" value="变色" onclick="four()">
<input type="button" value="隐藏" onclick="five()">
<input type="button" value="显示" onclick="six()">
<script>
var box
window.onload=function(){
box = document.getElementById('box');
}
function one(){
box.style="height:500px;"
}
function two(){
box.style="width:500px;"
}
function tree(){
box.style="border-radius:50%;"
}
function four(){
box.style="background:red;"
}
function five(){
box.style="display:none;"
}
function six(){
box.style="dispaly:black;"
}
</script>
</body>
</html>