【position】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.7.1.js'></script>
<script type='text/javascript'>
$(window).load(function(){
var left = $("#result").css("left");
console.log(left);
});
</script>
</head>
<body>
<div id="result" style="left: 10px; position: absolute;"></div>
</body>
</html>
