URL helper

url_helper.js

// requires https://medialize.github.io/URI.js

function updateURL(url, params) {
    let new_url = new URI(url);

    $.each(params, function (value) {
        if (params[value] !== undefined) {
            new_url.setSearch(value, params[value]);
        } else {
            new_url.removeSearch(value);
        }
    });

    return new_url.href();
};

// usage
$.get(updateURL('/path/to/url', {key: 'value', key2: 'value2'}));