摘要:<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0">&
<!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">
<script type="text/javascript" src="jquery-3.3.1.min.js">
</script>
<style>
a{
width: 200px;
height: 200px;
float: left;
border-radius: 50%;
border:1px solid black;
margin:40px;
text-align: center;
line-height: 200px;
display: block;
color: #fff;
text-decoration: none;
}
#btn{
margin: 0 auto;
}
</style>
<title>导航条案例</title>
</head>
<body>
<a href="#">1</a>
<a href="#">2</a>
<a href="#">3</a>
<a href="#">4</a>
<button id="btn1">点击变色变形</button><button id="btn2">点击变色变形</button>
<script>
function aa(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(){
aa('a')
$('#btn1').click(function(){
$bg=$('a').css('backgroundColor');
$('a').css('box-shadow','0px 0px 20px '+$bg);
$('a').css('border-radius','20px');
})
$('#btn2').click(function(){
$('a').css('box-shadow','none');
$('a').css('border-radius','50%');
})
})
</script>
</body>
</html>
批改老师:韦小宝批改时间:2019-02-11 09:11:18
老师总结:写的很不错 主要是练习了很多函数 这些函数在以后的开发中可能都会起到作用