实例：

equalTo方法

equalTo（其他）返回：布尔

说明：要求元素与另一个元素相同

五

三十

<!doctype html>

<html>

<head>

<meta charset="utf-8">

<title>Makes "field" required to be the same as #other</title>

<link rel="stylesheet" href="https://jqueryvalidation.org/files/demo/site-demos.css">

</head>

<body>

<form id="myform">

<label for="password">Password</label>

<input id="password" name="password" />

<br/>

<label for="password_again">Again</label>

<input class="left" id="password_again" name="password_again" />

<br>

<input type="submit" value="Validate!">

</form>

<script src="https://code.jquery.com/jquery-1.11.1.min.js"></script>

<script src="https://cdn.jsdelivr.net/jquery.validation/1.16.0/jquery.validate.min.js"></script>

<script src="https://cdn.jsdelivr.net/jquery.validation/1.16.0/additional-methods.min.js"></script>

<script>

// just for the demos, avoids form submit

jQuery.validator.setDefaults({

  debug: true,

  success: "valid"

});

$( "#myform" ).validate({

  rules: {

    password: "required",

    password_again: {

      equalTo: "#password"

});

</script>

</body>

</html>