<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<div class="bgg">2333</div>
</body>
<script type="text/javascript">
var bgg = document.querySelector('.bgg');
var number=100;
/*第一种直接通过cssText*/
bgg.style.cssText='100px;height:200px;background:red';
/*第二种构造函数*/
/*//构造函数
function createStyle(elem, props, value) {
if(typeof props === 'object') {
for(var key in props) {
elem.style[key] = props[key];
}
}else{
elem.style[props]=value;
}
};
//调用函数
createStyle(bgg,{
'100px',
height: '100px',
background: 'red'
});*/
</script>
</html>