宋柏霖的第九个作业—全选

Original 2019-03-28 13:21:20 206
abstract:<!DOCTYPE html><html lang="en"><meta charset="UTF-8"><title>全选</title><style>.box{width: 100px;height: 240px;border: 1px solid #000000;border-ra

<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8">
<title>全选</title>
<style>
.box{
width: 100px;
height: 240px;
border: 1px solid #000000;
border-radius: 5px;
padding: 5px 10px;
margin: 20px auto;
}
.box div{
border-bottom:1px solid #000000;
padding-bottom: 10px;
margin-bottom: 8px;
}
.box input{margin: 8px;}s
</style>
<script type="text/javascript">
function checkall() {
var checkall,item;
checkall=document.getElementById('checkall')
item=document.getElementsByName("item[]")
for (var i=0;i<item.length;i++) {
if(checkall.checked){
item[i].checked=true;

}
else
{item[i].checked=false;

}
}
}
</script>
</head>
<body>
<div class="box">
<div>
<input type="checkbox" id="checkall" onclick="checkall()"><label for="checkall">全选</label>
</div>
<input type="checkbox" name="item[]">选项1<br>
<input type="checkbox" name="item[]">选项2<br>
<input type="checkbox" name="item[]">选项3<br>
<input type="checkbox" name="item[]">选项4<br>
<input type="checkbox" name="item[]">选项5<br>
<input type="checkbox" name="item[]">选项6<br>
</div>
</body>
</html>

Correcting teacher:查无此人Correction time:2019-03-28 13:26:05
Teacher's summary:完成的不粗。刚才看到你的工单了,问题解决了吗?

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