<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>每天一个JavaScript实例-展示设置和获取CSS样式设置</title>
<style>
#date{
width:200px;
background-color:lime;
}
</style>
<script>
function getStyle(date,cssprop,cssprop2){
//IE
if(date.currentStyle){
return date.currentStyle[cssprop];
}else if(document.defaultView && document.defaultView.getComputedStyle){
//console.log(document.defaultView.getComputedStyle(date,null).getPropertyValue(cssprop));
return document.defaultView.getComputedStyle(date,null).getPropertyValue(cssprop2);
}else{
return null;
}
}
window.onload = function(){
var date = document.getElementById("date");
var color = getStyle(date,"background-color","background-color");
console.log(color);
date.style.width= "500px";
date.style.backgroundColor= "yellow";
console.log(date.style.width);
console.log(date.style.backgroundColor);
//数组表示法
date.style["fontFamily"] = "courier";
//展示覆盖属性
var style = date.getAttribute("style");
console.log(style);
date.setAttribute("style","height:100px");
console.log(document.defaultView.getComputedStyle(date,null).getPropertyValue("fontFamily"));//null
console.log(document.defaultView.getComputedStyle(date,null).getPropertyValue("font-family"));//STHeiti
var style = date.getAttribute("style");
//date.style["fontFamily"]="微软雅黑";
var font = getStyle(date,"fontFamily","font-family");
//console.log(font);
}
</script>
</head>
<body>
<div id = "date" style="color:purple">
aa
</div>
</body>
</html>
