时间：2021-08-19 09:48:25 | 栏目：jquery | 点击：次
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>