代码示例如何设置背景色(background)
<html>
<head>
<script
src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("div").prevAll().css("background", "yellow");
});
</script>
</head>
<body>
<div>findsrc.com</div>
<div>findsrc.com</div>
<div>findsrc.com</div>
<div class="selected">findsrc.com</div>
<div>findsrc.com</div>
</body>
</html>