max method

max( value )Returns: Boolean

Description: Makes the element require a given maximum.

Example:

Makes "field" required and 23 or smaller.

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<!doctype html>

<html>

<head>

<meta charset="utf-8">

<title>Makes "field" required and 23 or smaller.</title>

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

 
</head>

<body>

<form id="myform">

<label for="field">Required, maximum value 23: </label>

<input type="text" class="left" id="field" name="field">

<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: {

    field: {

      required: true,

      max: 23

    }

  }

});

</script>

</body>

</html>

Demo: