如何实现全选和全不选
作者：互联网
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<input type="checkbox" id="ck1"> 全选/反选<br>
<div>
<input type="checkbox" id="ck2">JavaScript
<input type="checkbox" id="ck3">NodeJS
<input type="checkbox" id="ck4">vue
<input type="checkbox" id="ck5">react
<input type="checkbox" id="ck6">angular
</div>
<script>
var ck1 = document.getElementById('ck1');
var ck2 = document.getElementById('ck2');
var ck3 = document.getElementById('ck3');
var ck4 = document.getElementById('ck4');
var ck5 = document.getElementById('ck5');
var ck6 = document.getElementById('ck6');
ck1.onclick = function () {
if (ck1.checked == true) {
ck2.checked = true;
ck3.checked = true;
ck4.checked = true;
ck5.checked = true;
ck6.checked = true;
} else {
ck2.checked = false;
ck3.checked = false;
ck4.checked = false;
ck5.checked = false;
ck6.checked = false;
}
};
</script>
</body>
</html>
标签：checked,如何,getElementById,全选,全不选,var,false,document,true 来源： https://blog.csdn.net/liuliyueliuli/article/details/100066031