滨海新区网站建设JS网页制作实例:标签云
实现:
1、随机方法:
JavaScript代码
function rand(num){
return parseInt(Math.random()*num 1);
}
2、随机取色:
JavaScript代码
function randomcolor(){
var str=Math.ceil(Math.random()*16777215).toString(16);
if(str.length<6){
str="0" str;
}
return str;
}
3、循环dom
XML/HTML代码
for( len=obj.length,i=len;i--;){
obj[i].style.left=rand(600) "px";
obj[i].style.top=rand(400) "px";
obj[i].className="color" rand(5);
obj[i].style.zIndex=rand(5);
obj[i].style.fontSize=rand(12) 12 "px";
// obj[i].style.background="#" randomcolor();
obj[i].style.color="#" randomcolor();
obj[i].onmouseover=function(){
this.style.background="#" randomcolor();
}
obj[i].onmouseout=function(){
this.style.background="none";
}
}
4、dom结构
XML/HTML代码
<div id="wrap">
<a href="#">web标准学习</a><a href="#">css</a>
<a href="#">javascript</a><a href="#">html5</a>
<a href="#">canvas</a><a href="#">video</a>
<a href="#">audio</a><a href="#">jQuery</a>
<a href="#">jQuerymobile</a><a href="#">flash</a>
<a href="#">firefox</a><a href="#">chrome</a>
<a href="#">opera</a><a href="#">IE9</a>
<a href="#">css3.0</a><a href="#">andriod</a>
<a href="#">apple</a><a href="#">google</a><a href="#">jobs</a>
</div>