js动态修改整个页面样式达到换肤效果_javascript技巧

window.onload = function() {
//更换css文件
var lis = gel("uList").childNodes;
for (var i = 0; i < lis.length; i++) {
if (lis[i].nodeType == 1) {
lis[i].onclick = function () {
gel("mylink").href = "css/" + this.className + ".css";
};
}
}
};

修改整个页面的样式

body {
background-color: #eeeeee;
}
span {
color: red;
}
#txt {
color: #f00;border: 1px solid #7d1515;
}
.btn {
background-color: #a52a2a;border: none;color: white;width: 100px;height: 28px;
}

jsPro1\css\blue.css
代码如下:
* {
margin: 0px;padding: 0px;
}

body {
background-color: #eeeeee;
}
span {
color: blue;
}
#txt {
color: #0000cd;border: 1px solid #006400;
}
.btn {
background-color: #0000cd;border: none;color: white;width: 100px;height: 28px;
}