First-Website/resources/js/insertNavbar.js

var c = document.createElement.bind(document);
var d = document.getElementById.bind(document);
var g = document.querySelector.bind(document);

// Insert nav tag
var navigation = c("nav")
navigation.className = "navigation"
var navbarList = c("ul")
navbarList.className = "navbarList"
navigation.appendChild(navbarList)
document.body.appendChild(navigation)

// opacity
var opacity = c("div")
opacity.className = "opacityMenu lowerIndex menu"
document.body.appendChild(opacity)

// Search
var search = c("input")
search.className = "searchMove searchBar"
search.placeholder = "Vul een zoek opdracht of url in"
search.type = "text"
document.body.prepend(search)

g(".searchBar").addEventListener("keyup",searchEnter)
function searchEnter(key) {
  if(key.key == "Enter") {
    var search = g(".searchBar").value;
    var containsDot = search.indexOf(".");
    if (search !== "") {
      if (containsDot > -1) {
        open("http://" + search);
      }
      else {
        open("https://www.google.com/search?q=" + search);
      }
    }
  }
  if (key.key == "Escape") {
    closeSearch()
  }
}

function showSearch() {
  var open = !g(".searchBar").classList.contains("searchMove")
  if (open) {
    closeSearch();
  }
  else {
    openSearch();
  }
}

function closeSearch() {
  $(".opacityMenu").addClass("lowerIndex")
  g(".searchBar").blur()
  g(".searchBar").classList.add("searchMove")
}

function openSearch(e) {
  $(".opacityMenu").removeClass("lowerIndex")
  g(".searchBar").classList.remove("searchMove")
  g(".searchBar").focus()
}

// Create Navbar
Navbar.forEach(i=>{
  var navList = c("li")
  navList.className = "navList"
  var navButton = c("button");
    navButton.className = "navbarbutton"
    navButton.innerHTML = "<i class='" + i.icon + " fa-lg'></i>" + i.name
  if (i.link) {
    var navLink = c("a");
    navLink.href = i.link
    navLink.appendChild(navButton);
    navButton = navLink
  }
  if (i.desc) {
    navButton.title = i.desc
  }
  if (i.func) {
    navButton.setAttribute('onclick',i.func)
  }
  navList.appendChild(navButton)
  var dropdownList = c("ul")
    dropdownList.className = "dropdownList"
    dropdownList.style = "display: none;"
  if (typeof i.dropdown == "object") {
        i.dropdown.forEach(d=>{
          var dropdownListItem = c("li");
          // Dropdown button
          var dropdownButton = c("button");
            dropdownButton.innerHTML = "<i class='" + d.icon + " fa-lg'></i>" + d.name
            dropdownButton.className = "dropdownButton"
          if (d.desc) {
            dropdownButton.title = d.desc
          }
          if (d.link) {
            var link = c("a");
            link.href = d.link
            link.appendChild(dropdownButton);
            dropdownButton = link
          }
          dropdownListItem.appendChild(dropdownButton);
        dropdownList.appendChild(dropdownListItem);
      })
    }
    navList.appendChild(dropdownList)
  navbarList.appendChild(navList);
})