abstract：<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>全選按鈕的實(shí)現(xiàn)</title> <style type="text/css"> .box{width: 80px;h
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>全選按鈕的實(shí)現(xiàn)</title>
<style type="text/css">
.box{width: 80px;height: 200px;border: 1px solid #000;margin: 0 auto;}
.box div{border-bottom: 1px solid #666;margin-bottom: 8px;line-height: 30px;height: 30px;}
.box input{margin-top: 8px;}
</style>
<script type="text/javascript">
function checkall(){
var all,item;
all=document.getElementById('checkall')
item=document.getElementsByName("item[]")
for ( var i = 0; i <item.length; i++) {
if (all.checked) {
item[i].checked=true;
}else{
item[i].checked=false;
}
}
}
</script>
</head>
<body>
<div >
<div>
<input type="checkbox" id="checkall" onclick="checkall()">全選
</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
</div>
</body>
</html>中間犯了一個(gè)低級錯(cuò)誤,將函數(shù)方法名與函數(shù)內(nèi)的變量設(shè)置成同一個(gè)名稱,導(dǎo)致函數(shù)不生效,以后會(huì)多加注意的
Correcting teacher：查無此人Correction time：2019-03-09 09:21:17
Teacher's summary：完成的不錯(cuò)。代碼記得縮進(jìn)，看著整齊。 每行jis語句后面要增加結(jié)束符; 繼續(xù)加油