BC Optimize Experiment Sample Code.js

(function(){
    clearInterval(window.wait_for_test_elements);
    window.wait_for_test_elements = setInterval(function(){
        if ( document.querySelector('[data-testid="sidebar"]') ) {
            run_all();
            if ( document.location.pathname === "/" ) {
                run_home();
            } else if ( document.location.pathname === "/games" ) {
                //run_games();
            }
        }
    }, 50);

    function run_all() {
        if (!document.querySelector('#sidebar-new-element')){
            // Insert CSS
            var css =
                'div#sidebar-new-element {'+
                    'border: 1px solid #8e9ea8;'+
                    'text-align: center;'+
                    'padding: 10px 10px 36px;'+
                    'margin-top: 30px;'+
                '}'+
                'div#sidebar-new-element span {'+
                    'display: inline-block;'+
                    'background: #ff4f0f;'+
                    'color: white;'+
                    'padding: 7px 20px;'+
                    'border-radius: 17px;'+
                    'margin-top: 10px;'+
                '}'
            ;
            var head = document.head || document.getElementsByTagName('head')[0];
            var style = document.createElement('style');

            style.type = 'text/css';
            if (style.styleSheet){
                // This is required for IE8 and below.
                style.styleSheet.cssText = css;
            } else {
                style.appendChild(document.createTextNode(css));
            }
            head.appendChild(style);
            // Add an element to the sidebar
            var sidebar = document.querySelector('[data-testid="sidebar"]');
            var sidebar_new_element = document.createElement('div');
            sidebar_new_element.setAttribute('id', 'sidebar-new-element');
            sidebar_new_element.innerHTML = '<h2>New item</h2><span>See details</span>';
            sidebar.appendChild(sidebar_new_element);

            
        }
        //console.log('works');
    }

    function run_home() {
        if ( document.querySelector('h3.main-banner-title') && document.querySelector('h3.main-banner-title').innerText != "Welcome to Bitcasino" ) {
            document.querySelector('h3.main-banner-title').innerText = "Welcome to Bitcasino";
        }
    }
})();