abstract：<!DOCTYPE html><html><head><meta charset="UTF-8"><title>Document</title></head><body><script type="text/javascript">function c
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<script type="text/javascript">
function checkAll(){
var checkall,liem;
checkall=document.getElementById("checkall");
liem=document.getElementsByName("item[]");
for (var i=0;i<liem.length;i++) {
if(checkall.checked){
liem[i].checked=true;
}else{
liem[i].checked=false;
}
}
}
</script>
<h3 >你喜愛(ài)的運(yùn)動(dòng)</h3>
<input type="checkbox" name="item[]">游泳<br>
<input type="checkbox" name="item[]">跑步<br>
<input type="checkbox" name="item[]">騎馬<br>
<input type="checkbox" name="item[]">標(biāo)槍<br>
<input type="checkbox" id="checkall" onclick="checkAll()"><label for="checkall">全選</label>
</body>
</html>
Correcting teacher：西門(mén)大官人Correction time：2019-03-29 09:38:08
Teacher's summary：還可以錯(cuò)助jquery來(lái)實(shí)現(xiàn)相同的功能，代碼不需要循環(huán)語(yǔ)句，感興趣的話可以了解下