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If you are using Google reCAPTCHA to prevent spam then you want to check it has been actioned before the form is submitted. Here is how you do it:

$('').on('submit', function() {

	var $form = $(this);

    // Do whatever other validation you want here

	var recaptcha = $form.find('.g-recaptcha-response').val();

    if (recaptcha === '') {

       alert('Please confirm you are human!');

	   return false;


    return true;

Tim Bennett is a freelance web designer from Leeds. He has a First Class Honours degree in Computing from Leeds Metropolitan University and currently runs his own one-man web design company, Texelate.