https://cdnn.1prime.ru//js/libs/captcha.js

1var initCaptcha = function(initCaptchaCallback, site_key) {
2    $('body').append('<div id="yandex-captcha-container" style="display: none !important;"></div>');
3    loadJS('https://smartcaptcha.yandexcloud.net/captcha.js?render=onload&onload=' + initCaptchaCallback);
4}
5
6var renderCaptcha = function(site_key, callback) {
7    if (!window.smartCaptcha) return;
8
9    smartCaptcha.render('yandex-captcha-container', {
10        sitekey: site_key || GLOBAL.locale.smartcaptcha.site_key,
11        invisible: true,
12        hideShield: true,
13        callback: callback || function(token) {}
14    });
15
16    smartCaptcha.execute();
17}
18
19var checkCaptchaToken = function(options) {
20    const type = options.type || 'form';
21    const site_key_name = type === 'chat' ? 'site_key_chat' : 'site_key';
22    const token_name = type === 'chat' ? 'token_chat' : 'token';
23    const captcha = 'smartcaptcha';
24
25    if (!GLOBAL.locale[captcha][token_name]) {
26        const funcName = 'smartcaptcha' + Date.now();
27
28        window[ funcName ] = function() {
29            renderCaptcha(GLOBAL.locale[captcha][site_key_name], function(token) {
30                GLOBAL.locale[captcha][token_name] = token;
31                options.callback(token);
32            });
33        };
34
35        initCaptcha(funcName, GLOBAL.locale[captcha][site_key_name])
36    } else {
37        options.callback(GLOBAL.locale[captcha][token_name]);
38    }
39}