Change URL based on URL Parameter using jQuery

change-url-based-on-url-parameter.js

//Trim and get the value of URL parameter from URL
var getUrlParameter = function getUrlParameter(sParam) {
    var sPageURL = window.location.search.substring(1),
        sURLVariables = sPageURL.split('&'),
        sParameterName,
        i;

    for (i = 0; i < sURLVariables.length; i++) {
        sParameterName = sURLVariables[i].split('=');

        if (sParameterName[0] === sParam) {
            return sParameterName[1] === undefined ? true : decodeURIComponent(sParameterName[1]);
        }
    }
    return false;
};

//Set parameter value in a variable. replace "id" with your parameter name.
var url_id = getUrlParameter('id');

//Check the value and chnage the URL of any <a> tag. Replace "eael-creative-button" with your class name or ID 
if (url_id == 'test') {
    jQuery(".eael-creative-button").attr("href", "https://google.com");

}
if (url_id == 'test2') {
    jQuery(".eael-creative-button").attr("href", "https://crisp.com");
}