Typeaurs non cinglé: $ (...). Valider n'est pas une fonction
<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.9/jquery.validate.js"></script>
Scary Shrew
<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.9/jquery.validate.js"></script>jQuery(document).ready(function($){
// jQuery code is in here
}); <script src="https://code.jquery.com/jquery-3.1.1.min.js" integrity="sha384-3ceskX3iaEnIogmQchP8opvBy3Mi7Ce34nWjpBIwVTHfGYWQS9jwHDVRnpKKHJg7" crossorigin="anonymous"></script>
<script src='jquery.js'></script>
if (typeof $ == 'undefined') {
var $ = jQuery;
}
(function($){
$(document).ready(function(){
// write code here
});
// or also you can write jquery code like this
jQuery(document).ready(function(){
// write code here
});
})(jQuery);
(function ($) {
$(document).
}(jQuery));