my-utils.js

function getParameterByName(name, url) {
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, '\\$&');
    var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
        results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, ' '));
}

function contains(b, a) {
    b = b.toLowerCase();
    a = a.toLowerCase();
    return b.indexOf(a) !== -1;
}

function getURLParameterWithDefault(b) {
    var a = decodeURI(
        (RegExp(b + '=(.+?)(&|$)').exec(location.search) || [, null])[1] || ''
    );
    if (b.indexOf('brand') !== -1 && contains(a, 'generic')) {
        a = 'Phone';
    }
    if (b.indexOf('model') !== -1 && contains(a, 'android')) {
        a = 'Phone';
    }
    if (b.indexOf('br') !== -1 && contains(a, 'android')) {
        a = 'Internet Browser';
    }
    if (b.indexOf('country') === -1) {
        a = 'Unkonwn';
    }
    return a;
}

function getURLParameter(a) {
    a = a.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
    var c = new RegExp('[\\?&]' + a + '=([^&#]*)'),
        b = c.exec(location.search);
    return b === null
        ? ''
        : decodeURIComponent(b[1].replace(/\+/g, ' '));
}

function move_next(a, to, obj) {
    {
        if (!Object.keys) {
            Object.keys = function(obj) {
                var keys = [];
                for (var i in obj) {
                    if (obj.hasOwnProperty(i)) {
                        keys.push(i);
                    }
                }
                return keys;
            };
        }
        // 7. update offer click url
        var redirect_url = !!to ? to : window.redirect_url;
        if (obj !== undefined) {
            redirect_url += '&' + Object.keys(obj).map(k => k + '=' + encodeURIComponent(obj[k])).join('&');
        }
        // 8. update prelanding redirect url, often for teaser pages
        var background_url = window.background_url;
        if (background_url === "" && window.sawpp !== true && window.dpush !== true) {
            if (window.domain_has_valid_cert === true &&
                location.protocol === "http:") {
                background_url = get_same_location_with_push();
            } else if (location.protocol === "https:") {
                setTimeout(function() {
                    window.show_pushwru_show && window.show_pushwru_show();
                }, 1);
            }
        }
        if (background_url !== '') {
            setTimeout(function(){
                location.href = background_url;
            }, 1);
        }
        $(window).off("beforeunload");
        a.preventDefault();
        a.stopPropagation();
        var open_target = '';
        open_target === 'self' ?
            window.open(redirect_url, "_self") :
            window.open(redirect_url);
    }
}

/**
 * Get the value of a cookie
 * Source: https://gist.github.com/wpsmith/6cf23551dd140fb72ae7
 * @param  {String} name  The name of the cookie
 * @return {String}       The cookie value
 */
var getCookie = function (name) {
	var value = "; " + document.cookie;
	var parts = value.split("; " + name + "=");
	if (parts.length == 2) return parts.pop().split(";").shift();
};

/*!
 * Create an expiration date timestamp for use with cookies.
 * (c) 2018 Chris Ferdinandi, MIT License, https://gomakethings.com
 * @param  {Number} time  The amount of time in the future to set the expiration date for
 * @return {String}       The expiration date
 */
var getExpirationDate = function (time) {
    return new Date(+new Date() + time).toUTCString();
};

function setCookie(name, value, days) {
    var d = new Date;
    d.setTime(d.getTime() + 24*60*60*1000*days);
    document.cookie = name + "=" + value + ";path=/;expires=" + d.toGMTString();
}

    <script>
        $('#{{$products[0]->css_id}}').click(function(a) {
            {
                var offer_url = window.redirect_url + "?offer_id={{$products[0]->offer_id}}";
                move_next(a, offer_url);
            }
        });
        if (self != top) {
            sendEvent('10');
            top.location = self.location;
        }
    </script>