自定义方法，继承
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>自定义插件的两种方式</title>
</head>
<script type="text/javascript"src="js/jquery-3.3.1.js"> </script>
<script type="text/javascript"src="js/check.js"></script>
<body>
<table border="1px" width="500px">
<tr>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
</tr>
<tr>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
</tr>
<tr>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
</tr>
<tr>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
</tr>
<tr>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
<td><input type="checkbox" class="checkbox" /></td>
</tr>
</table>
<center>
<button class="selectAll">全选</button>
<button class="unselectAll">取消全选</button>
</center>
</body>
<script type="text/javascript">
$(function(){
$('.selectAll').click(function(){$('.checkbox').selectAll()})
$(".unselectAll").click(function(){$(".checkbox").unselectAll()})
})
</script>
</html>
插件
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>引用插件</title>
<script src="js/jquery-3.3.1.js" type="text/javascript"></script>
<script src="js/jquery-validation-1.19.0/dist/jquery.validate.js" type="text/javascript" ></script>
<style type="text/css">
#myform label.error{
color: red;
}
</style>
</head>
<body>
<form id="myform">
账号：<input type="text" name="uname" /><br>
密码：<input type="text" name="upwd" id="pwd" /><br>
确认密码：<input type="text" name="qrpwd" /><br>
年龄：<input type="text" name="uage" /><br>
<button >提交</button>
</form>
</body>
<script type="text/javascript">
$(function(){
$("#myform").validate({
rules:{
uname:{
required:true,
minlength:5
},
upwd:{
required:true,
rangelength:[5,10]
},
qrpwd:{
required:true,
equalTo:"#pwd"
},
uage:{
required:true,
digits:true,
range:[18,100]
}
},
messages:{
uname:{
required:"不能为空",
minlength:'最少长度为5'
},
upwd:{
required:"不能为空",
rangelength:'长度为5-10'
}
},
qrpwd:{
required:"不能空",
equalTo:"两次密码不一致"
},
uage:{
required:"不能空",
digits:"输入整数",
range:'年龄在18-100'
}
})
})
</script>
</html>
