function changeActiveTools(activeClass, activeCategoryButton) { let tools = document.getElementById("toolList").children for (i = 0; i < tools.length; i++) { if (tools[i].classList.contains(activeClass)) { tools[i].style.display = "block"; } else { tools[i].style.display = "none"; } } let categories = document.getElementById("menu").children for (i = 0; i < categories.length; i++) { if (categories[i].innerText == activeCategoryButton) { categories[i].classList.add("active") } else { categories[i].classList.remove("active") } } }