jquery Css方法一步步升级
<script src="jquery-1.8.3.js"></script>
<script type="text/javascript">
//css 方法 一步步升级
//1.css
/* $(function () {
$("input").click(function() {
$(".shang").css("font-size", "22px");
$(".shang").css("background-color", "red");
$(".shang").css("border", "#000 5px solid");
$(".shang").css("opacity", "0.5");
});
});
*/
//2.css
/* $(function () {
$("input").click(function () {
$(".shang").css("font-size", "22px").css("background-color", "red").css("border", "#000 5px solid").css("opacity", "0.5");
});
});
*/
//3.css
/* $(function () {
$("input").click(function () {
var s =
{
"font-size": "22px",
"background-color": "red",
"border": "#000 5px solid",
"opacity": "0.5"
}
$(".shang").css(s);
});
});
*/
//4.css
$(function () {
$("input").click(function () {
$(".shang").css({
"font-size": "22px",
"background-color": "red",
"border": "#000 5px solid",
"opacity": "0.5"
});
});
});
//5.css
$(function () {
$("input").click(function ()
{
$(".shang").css({width: function (index, value){ return ((index * 50) + 100) + "px"; },
"height": "100px",
"background-color": "red"
});
});
});
</script> </head> <body> <input type="button" value="dianji"/> <div id="shang" class="shang">dddds <ul> <li>fasl</li> <li> sssss<span> span hong1</span></li> <li> sssss<span> span hong2</span></li> </ul> </div> </body>
原文：http://www.cnblogs.com/laopo/p/5495533.html