abstract：<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8&
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>获取随机色及点击按钮产生随机数字变化</title>
<script type="text/javascript" src="jquery.js"></script>
<link rel="stylesheet" href="http://www.bootcss.com/p/buttons/css/buttons.css">
<style type="text/css">
.rdom{width: 800px;height: 300px;margin: 50px 200px;}
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;
}
.bt input{margin:0px 480px;}
</style>
<script type="text/javascript">
//改变标签的背景颜色
function radom(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)+')'
}
}
$(document).ready(function(){
radom('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 ')
})
})
function btn(){
num1.innerHTML=parseInt(Math.random()*999);
num2.innerHTML=parseInt(Math.random()*999);
num3.innerHTML=parseInt(Math.random()*999);
num4.innerHTML=parseInt(Math.random()*999);
}
function btm(){
window.location.reload();
}
</script>
</head>
<body>
<div class="rdom">
<a href="#" id="num1">1</a>
<a href="#" id="num2">2</a>
<a href="#" id="num3">3</a>
<a href="#" id="num4">4</a>
</div>
<div class="bt">
<!--
<button class="button button-royal button-pill button-giant" id="btn" onClick="btn()">点我试试
</button>
-->
<input type="button" value="点我试试" class="button button-royal button-pill button-giant" id="btn" onClick="btn();btm()">
</div>
</body>
</html>
Correcting teacher：查无此人Correction time：2019-05-08 09:25:18
Teacher's summary：完成的不错。每行js语句结束增加;号。继续加油