标签：定时器 font elements char element function for top ack
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>_鼠标移动跟随效果</title>
<style>
div {
width: 50px;
height: 50px;
border-radius: 50%;
position: absolute;
text-align: center;
font-size: 30px;
color: #fff;
}
</style>
<script>
//让第一个盒子直接跟随鼠标位置
//后面的盒子每隔几毫米跟随前一个盒子变化位置
window.onload = function(){
var allDiv = document.getElementsByTagName("div");//div数组
document.onmousemove = function(e){
e = e || window.event;//兼容性
allDiv[0].style.top = e.clientY + "px";
allDiv[0].style.left = e.clientX + "px";
}
//设置定时器
setInterval(function(){
for(var i=allDiv.length-1;i>0;i--){
allDiv[i].style.top = allDiv[i-1].style.top;
allDiv[i].style.left = allDiv[i-1].style.left;
allDiv[i].style.backgroundColor = randomColor();
}
},20)
//设置随机颜色
function randomColor(){
var str = "0123456789abcdef";
var bgColor = "#";
for(var i = 0;i<6;i++){
var temp = parseInt(str.length*Math.random());
bgColor += temp;
}
return bgColor;
}
}
</script>
</head>
<body>
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</body>
</html>
标签：定时器 font elements char element function for top ack
原文地址：http://www.cnblogs.com/R-jia-bao/p/6165863.html
