JQuery
实例:
多选/复选
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="JQuery-1.12.4.js"></script>
</head>
<body>
<input type="button" value="all" onclick="chooseAll()">
<input type="button" value="noAll" onclick="chooseNo()">
<input type="button" value="reverseAll" onclick="reverseAll()">
<table border="1">
<thead>
<tr>
<th>checked</th>
<th>ip</th>
<th>port</th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="checkbox"> </td>
<td>2.2.2.2</td>
<td>32</td>
</tr>
<tr>
<td><input type="checkbox"> </td>
<td>2.3.3.3</td>
<td>33</td>
</tr>
<tr>
<td><input type="checkbox"> </td>
<td>2.4.4.4</td>
<td>34</td>
</tr>
</tbody>
</table>
</body>
</html>
<script>
function chooseAll(){
$(‘:checkbox‘).prop(‘checked‘, true);
}
function chooseNo(){
$(‘:checkbox‘).prop(‘checked‘, false);
}
function reverseAll(){
$(‘:checkbox‘).each(function(k){
//this:当前循环的每一个元素
//k key-index,
console.log(k, this)
if(this.checked){
this.checked = false
}
else{
this.checked = true
}
})
}
</script>
原文：https://www.cnblogs.com/hinimix/p/9284601.html