摘要:<!DOCTYPE html> <html> <head> <title>javaScript</title> <meta charset="utf-8"> <style type="text/css">  
<!DOCTYPE html>
<html>
<head>
<title>javaScript</title>
<meta charset="utf-8">
<style type="text/css">
.a{width:90px;height:200px;border:1px solid #000;padding:0px 10px;margin:10px auto;}
.a div{border-bottom:1px solid #000;margin:10px auto;padding-bottom:10px;}
.a input{margin:5px auto;}
</style>
</head>
<body>
<div class="a">
<div>
<input type="checkbox" id="checkall" onclick="checkAll()"><label for="checkall">全选</label>
</div>
<input type="checkbox" name="item[]">111<br>
<input type="checkbox" name="item[]">222<br>
<input type="checkbox" name="item[]">333<br>
<input type="checkbox" name="item[]">444<br>
<input type="checkbox" name="item[]">555<br>
<input type="checkbox" name="item[]">666<br>
</div>
<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>
</body>
</html>
批改老师:灭绝师太批改时间:2018-11-15 09:15:00
老师总结:完成的不错,学习到这个阶段,就不可以完全跟着老师思路来了,可以找一些案例练手!