<!doctype html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
<style>
div {
width:60px;
height:60px;
margin:5px;
/*padding: 5px;*/
}
</style>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<title></title>
</head>
<body>
<div id="aaron" style="background-color:yellow;">慕课网</div>
<button id="test1">jQuery.css设置padding margin</button>
<button id="test2">模拟style设置padding margin</button>
<ul></ul>
<script type="text/javascript">
//////////
//分解参数 //
//////////
function access(elems, fn, key, value, chainable, emptyGet, raw) {
var i = 0,
len = elems.length;
//如果是一个对象，for in递归调用自己
if (jQuery.type(key) === "object") {
chainable = true;
for (i in key) {
access(elems, fn, i, key[i], true, emptyGet, raw);
}
} else if (value !== undefined) {
if (fn) {
fn(elems, key, value);
}
}
return elems
};
//////////
//设置样式 //
//////////
function style(elem, name, value, extra) {
var origName = jQuery.camelCase(name),
style = elem.style;
style[name] = value;
}
function css(name, value) {
return access(this, function(elem, name, value) {
return value !== undefined ?
style(elem, name, value) :
jQuery.css(elem, name);
}, name, value, arguments.length > 1);
}
$("#test1").click(function() {
$("div").css({
'padding': '20px',
'margin': '20px'
})
})
$("#test2").click(function() {
css.call(document.getElementById('aaron'), {
'padding': '40px',
'margin': '40px'
})
})
</script>
</body>
</html>
