https://www.vliegveldtaxiamsterdam.nl/jQuery/RecaptchaForm.js

1/**
2 * Client-side functionality for recaptcha forms.
3 *
4 * @author Rutger Speksnijder
5 */
6 (function(window) {
7    // Constructor
8    var RecaptchaForm = function() {};
9
10    RecaptchaForm.siteKey = '';
11
12    /**
13     * Submits a recaptcha form.
14     * @param {Event} event
15     * @param {HTMLFormElement} form
16     * @returns {void}
17     */
18    RecaptchaForm.submit = function(event, form) {
19        // Prevent default behaviour
20        event.preventDefault();
21
22        // Check if the form is valid
23        var validator = $(form).validate(window.validationRules);
24        if (!validator.form()) {
25            return;
26        }
27
28        // Wait until recaptcha is ready
29        grecaptcha.ready(function() {
30            grecaptcha.execute(RecaptchaForm.siteKey, {action: 'submit'}).then(function(token) {
31                $(form).find('input[name="recaptcha-token"]').val(token);
32                form.submit();
33            }).catch(function() {
34                form.submit();
35            });
36        });
37    };
38
39    // Expose to the window
40    window.RecaptchaForm = RecaptchaForm;
41})(window);