JQuery smart auth script with Google reCAPTCHA

auth.js

$('#sign-up form').submit(function (event) {
    var $this = $(this),
        email = $this.find("input[name='email']").val(),
        password = $this.find("input[name='password']").val(),
        repeatPassword = $this.find("input[name='repeatpassword']").val(),
        captcha = grecaptcha.getResponse(widgetId1);

    if (password !== repeatPassword) {
        document.querySelector('#sign-up form input[name="repeatpassword"]').setCustomValidity('Passwords mismatch');
        event.preventDefault();
        return false;
    }

    $.ajax({
        type: $(this).attr('method'),
        url: $(this).attr('action'),
        data: {
            email: email,
            password: password,
            captcha: captcha
        }
    })
        .then(
            function success(data) {
                $this.find("p.response").html(data);
                $this.find('button[type="submit"]').prop('disabled', true);
            },

            function fail(data, status) {
                console.error(data + " " + status);
            }
        );

    event.preventDefault();
    return false;
});

$('#sign-in form').submit(function (event) {

    var $this = $(this),
        email = $this.find("input[name='email']").val(),
        password = $this.find("input[name='password']").val(),
        captcha = grecaptcha.getResponse(widgetId2);

    $.ajax({
        type: $(this).attr('method'),
        url: $(this).attr('action'),
        data: {
            email: email,
            password: password,
            captcha: captcha
        }
    })
        .then(
            function success(data) {
                $this.find("p.response").html(data);
                $this.find('button[type="submit"]').prop('disabled', true);
            },

            function fail(data, status) {
                console.error(data + " " + status);
            }
        );

    event.preventDefault();
    return false;
});

$('#reset-password form').submit(function (event) {
    
    var $this = $(this),
        email = $this.find("input[name='email']").val(),
        captcha = grecaptcha.getResponse(widgetId3);

    $.ajax({
        type: $(this).attr('method'),
        url: $(this).attr('action'),
        data: {
            email: email,
            captcha: captcha
        }
    })
        .then(
            function success(data) {
                $this.find("p.response").html(data);
                $this.find('button[type="submit"]').prop('disabled', true);
            },

            function fail(data, status) {
                console.error(data + " " + status);
            }
        );

    event.preventDefault();
    return false;
});