<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
.bg{
background-color: pink;
}
</style>
<body>
<button>按钮</button>
<button>按钮</button>
<button>按钮</button>
<button>按钮</button>
<button>按钮</button>
<script>
var btns=document.getElementsByTagName('button');
for(var i=0;i<btns.length;i++){
btns[i].onclick=function(){
for(var i=0;i<btns.length;i++){
btns[i].style.backgroundColor='';
}
this.style.backgroundColor ='pink';
}
}
</script>
</body>
</html>使用html,css,javascript制作一个多重按钮
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転載: blog.csdn.net/weiyuyang250/article/details/120710792
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