jQuery实现复选框的全选和反选

2017-02-12 22:17:29 jQuery
话不多说,请看代码


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
</head>
<body>
 <form>
 <label for="apple">苹果</label>
 <input type="checkbox" name="apple">
 <label for="banana">香蕉</label>
 <input type="checkbox" name="banana">
 <label for="orange">橘子</label>
 <input type="checkbox" name="orange">
 <input type="button" value="全选" onclick="allPick()">
 <input type="button" value="全不选" onclick="unAllPick()">
 <input type="button" value="反转" onclick="inverserPick()">
 </form>
 <script src="http://cdn.bootcss.com/jquery/3.1.1/jquery.min.js"></script>
 <script>
 // 全选
 function allPick() {
  $("[type=checkbox]:checkbox").each(function () {
  this.checked = true;
  })
 }
 // 全不选
 function unAllPick() {
  $("[type=checkbox]:checkbox").each(function () {
  this.checked = false;
  })
 }
 // 反转
 function inverserPick() {
  $("[type=checkbox]:checkbox").each(function () {
  this.checked = !this.checked;
  })
 }
 </script>
</body>
</html>


原文链接:http://www.qdfuns.com/notes/40578/5997173c153ed228b72c7e55a56f4f28.html