<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>商品全选</title>
<style>
.btn{
width: 50px;
background-color: #ccc;
text-align: center;
line-height: 30px;
display: block;
text-decoration: none;
font-size: 14px;
color: black;
}
input{
display: block;
}
</style>
<script>
window.onload = function(){
var btn = document.getElementById('btn');
var input = document.getElementsByTagName('input');
var i = 0;
btn.onclick = function(){
for(i=0;i<input.length;i++){
input[i].checked = true;
}
}
}
</script>
</head>
<body>
<a href="" id="btn">全选</a>
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
</body>
</html>慕码人3756810
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