$( document ).ready(function Check() { var nom = $( "#edit-email" ).val(); var ref = $( "#edit-reference" ).val(); var prenom = $( "#edit-prenom" ).val(); var email = $( "#edit-email" ).val(); if(nom!='' && prenom!='' && email!='' && ref!=''){ $.ajax({ type: "GET", url: '/webform.php', data: $("#form#webform-submission-carrieres-add-form").serialize(), // serializes the form's elements. success: function(data) { //alert(data); // show response from the php script. if(data == 1){ $("button#edit-actions-submit").attr("disabled", true); $("button#edit-actions-submit").attr('value', 'vous êtes déjà inscrit'); }else{ $("button#edit-actions-submit").attr("disabled", false); $("button#edit-actions-submit").attr('value', 'ENVOYER'); } } }); } $( "#edit-nom,#edit-prenom,#edit-email,#edit-reference" ).keyup(function() {Check();}); });