jquery获取随机颜色
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>获取随机色</title>
<script src="jquery-3.3.1.js"></script>
<style>
a {
float: left;
display: block;
margin: 50px;
width: 100px;
line-height: 100px;
text-align: center;
height: 100px;
color: #fff;
border-radius: 50px;
text-decoration: none;
background: pink;
}
</style>
<script>
//改变标签的背景颜色
function changeColor(tag){
var len = document.getElementsByTagName(tag).length;
for(var i=0; i<len; i++){
document.getElementsByTagName(tag)[i].style.backgroundColor='rgb('+Math.floor(Math.random()*255)+','+Math.floor(Math.random()*255)+','+Math.floor(Math.random()*255)+')';
}
}
$(function(){
changeColor('a');
$('a').mouseover(function(){
$bg= $(this).css('backgroundColor');
$(this).css('box-shadow','0px 0px 20px '+$bg);
$(this).css('border-radius','20px')
})
$('a').mouseleave(function(){
$(this).css('box-shadow','none');
$(this).css('border-radius','50px')
})
})
</script>
</head>
<body>
<a href="#">1</a>
<a href="#">2</a>
<a href="#">3</a>
<a href="#">4</a>
<a href="#">5</a>
</body>
</html>