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隨機(jī)改變顏色,js和jquery

Original 2019-03-25 11:44:15 260
abstract:<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>隨機(jī)顏色值</title><script type="text/javascript" src="../zuoye/jq


<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>隨機(jī)顏色值</title>

<script type="text/javascript" src="../zuoye/jquery-3.3.1.min.js"></script>

<style>

a{height:300px; width: 300px; border-radius:150px; background: #000;display: inline-block; margin-right:35px; text-decoration:none;}

</style>

<script>

function colo(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()*256)+','+Math.floor(Math.random()*256)+',' +Math.floor(Math.random()*256)+')'

}

}

$(function(){

colo('a');

$('a').mouseover(function(){

$bg=$(this).css('backgroundColor');

$(this).css('box-shadow','0 0 20px' +$bg);

$(this).css('border-radius','100px');

});

$('a').mouseleave(function(){

$(this).css('border-radius','150px');

})

})

</script>

</head>

<body>

<a href=""></a>

<a href=""></a>

<a href=""></a>

<a href=""></a>

<a href=""></a>

<a href=""></a>

</body>

</html>


Correcting teacher:天蓬老師Correction time:2019-03-26 09:38:57
Teacher's summary:獲取隨機(jī)數(shù),js不止一種方法, 想一下,是不是還有其它辦法?

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