jquery - Validate Form Initially When User Starts Typing -


i using jquery plugin form validation. current code posted below, validation starts after first time lost focus/blur event happens on element.

however, validation performed when user starts typing. 

$(document).ready(function(){    $.validate({"form" : "#testform"});  });
<html>  <head>  <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <script src="//cdnjs.cloudflare.com/ajax/libs/jquery-form-validator/2.3.26/jquery.form-validator.min.js"></script>  <link href="//cdnjs.cloudflare.com/ajax/libs/jquery-form-validator/2.3.26/theme-default.min.css"      rel="stylesheet" type="text/css" />  </head>  <body>  <form id="testform">  <p>  email  <input name="email" data-validation="email">  </p>  <p>  username  <input name="user" data-validation="length alphanumeric"    data-validation-length="3-12"    data-validation-error-msg="user name has alphanumeric value (3-12 chars)">  </p>  </form>  </body>  </html>

you need keyup trigger validations when user starts typing: 

$('input').on('keyup', function() {    $(this).validate();  });    $(document).ready(function() {    $.validate({      "form": "#testform"    });  });
<html>    <head>    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>    <script src="//cdnjs.cloudflare.com/ajax/libs/jquery-form-validator/2.3.26/jquery.form-validator.min.js"></script>    <link href="//cdnjs.cloudflare.com/ajax/libs/jquery-form-validator/2.3.26/theme-default.min.css" rel="stylesheet" type="text/css" />  </head>    <body>    <form id="testform">      <p>        email        <input name="email" data-validation="email">      </p>      <p>        username        <input name="user" data-validation="length alphanumeric" data-validation-length="3-12" data-validation-error-msg="user name has alphanumeric value (3-12 chars)">      </p>    </form>  </body>    </html>


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