abstrakt：<!DOCTYPE html><html><head><meta charset="UTF-8"><title>myall</title><style type="text/css">.mydiv{width:120px;height:250px; border:1px so
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>myall</title>
<style type="text/css">
.mydiv{width:120px;height:250px; border:1px solid green;border-radius: 10px; padding: 5px 10px; margin: 20px auto;}
.mydiv div{border-bottom: 1px solid pink; padding-bottom: 10px; margin-bottom: 8px;}
.mydiv input{margin:10px;}
</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>
<div>
<input type="checkbox" id="checkall" onclick="checkall()"><label for="checkall">全選</label>
</div>
<input type="checkbox" name="item[]">選項(xiàng)1<br>
<input type="checkbox" name="item[]">選項(xiàng)2<br>
<input type="checkbox" name="item[]">選項(xiàng)3<br>
<input type="checkbox" name="item[]">選項(xiàng)4<br>
<input type="checkbox" name="item[]">選項(xiàng)5<br>
<input type="checkbox" name="item[]">選項(xiàng)6<br>
</div>
</body>
</html>
Korrigierender Lehrer：韋小寶Korrekturzeit：2019-02-11 10:05:47
Zusammenfassung des Lehrers：寫的很不錯(cuò) 全選在很多的項(xiàng)目中都可以見(jiàn)到 并且還是比較重要的知識(shí)