摘要：<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>選擇框練習(xí)</title> <style type="text/css"> .check div{ border:&
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>選擇框練習(xí)</title>
<style type="text/css">
.check div{
border: 1px solid red;
border-radius: 5px;
padding: 10px;
}
.check div p{
margin-bottom: 5px;
border-bottom: 1px solid #552;
}
.check div p i{
float: right;
}
</style>
<script type="text/javascript">
function checkAll(){
var check,allBox,xq;
allBox=document.getElementById('allBox');
check=document.getElementsByName('check');
xq=document.getElementById('xq');
for (var i = 0; i < check.length; i++) {
if (allBox.checked) {
check[i].checked=true;
xq.innerHTML="全不選";
}else{
check[i].checked=false;
xq.innerHTML="全選";
}
}
}
</script>
</head>
<body>
<div>
<div>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-28</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p><input type="checkbox" name="check"><a href="#">選擇框的運(yùn)用</a><i>發(fā)布時(shí)間:2018-12-29</i></p>
<p>
<input type="checkbox" id="allBox" onclick=" checkAll()"><label for="allBox"><span id="xq">全選</span></label>
<input type="checkbox" id="noBox" onclick="noCheck()"><label for="noBox">反選</label>
</p>
</div>
</div>
</body>
</html>
批改老師：天蓬老師批改時(shí)間：2019-01-01 15:18:26
老師總結(jié)：var check,allBox,xq; 在函數(shù)頭部,一次生的聲明變量,是一個(gè)不錯(cuò)的好習(xí)慣