Method setElem

data/src/emulator.js:1579–1591

(element, li)

            menu.appendChild(parent);
            let current = home;
            const setElem = (element, li) => {
                if (current === element) return;
                if (current) {
                    current.style.display = "none";
                }
                let activeLi = li.parentElement.querySelector(".ejs_active_list_element");
                if (activeLi) {
                    activeLi.classList.remove("ejs_active_list_element");
                }
                li.classList.add("ejs_active_list_element");
                current = element;
                element.style.display = "";
            }
            addButton("Home", false, (li) => {
                setElem(home, li);
            }).classList.add("ejs_active_list_element");