Fullscreen Menu Toggle

by rsrsrs

HTML

<body>

    <div class="hamburger hamburger--spring-r">
        <div class="hamburger-box">
            <div class="hamburger-inner"></div>
        </div>
    </div>
    
<nav id=”fullscreenMenu” style=”display: none; z-index: 1000; position: relative;”>
    <ul id=”redMenu”>
        <li><a href=”#link1” data-target=”link1”>LINK1</a></li>
        <li><a href=”#link2” data-target=”link2”>LINK2</a></li>
        <li><a href=”#link3” data-target=”link3”>LINK3</a></li>
    </ul>
</nav>
    
</body>

CSS

.hamburger {
  position: fixed;
  top: 0;
  right: 0;
  padding: 16px 9px;
  display: inline-block;
  cursor: pointer;
  transition-property: opacity, filter;
  transition-duration: 0.15s;
  transition-timing-function: linear;
  font: inherit;
  color: inherit;
  text-transform: none;
  background-color: red;
  border: 0;
  margin: 0;
  overflow: visible; }
  .hamburger:hover {
    opacity: 0.7; }

.hamburger-box {
  width: 30px;
  height: 16px;
  display: inline-block;
  position: relative; }

.hamburger-inner {
  display: block;
  top: 50%;
  margin-top: -2px; }
  .hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    width: 30px;
    height: 1px;
    background-color: #000;
    border-radius: 4px;
    position: absolute;
    transition-property: transform;
    transition-duration: 0.15s;
    transition-timing-function: ease; }
  .hamburger-inner::before, .hamburger-inner::after {
    content: "";
    display: block; }
  .hamburger-inner::before {
    top: -7px; }
  .hamburger-inner::after {
    bottom: -8px; }

.hamburger--spring-r .hamburger-inner {
  top: auto;
  bottom: 0;
  transition-duration: 0.15s;
  transition-delay: 0s;
  transition-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19); }
  .hamburger--spring-r .hamburger-inner::after {
    top: -14px;
    transition: top 0.3s 0.3s cubic-bezier(0.33333, 0.66667, 0.66667, 1), opacity 0s linear; }
  .hamburger--spring-r .hamburger-inner::before {
    transition: top 0.12s 0.3s cubic-bezier(0.33333, 0.66667, 0.66667, 1), transform 0.15s cubic-bezier(0.55, 0.055, 0.675, 0.19); }

.hamburger--spring-r.is-active .hamburger-inner {
  transform: translate3d(0, -10px, 0) rotate(-45deg);
  transition-delay: 0.32s;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1); }
  .hamburger--spring-r.is-active .hamburger-inner::after {
    top: 0;
    opacity: 0;
    transition: top 0.3s cubic-bezier(0.33333, 0, 0.66667, 0.33333), opacity 0s 0.32s linear; }
 ...

JavaScript

var forEach=function(t,o,r){if("[object  Object]"===Object.prototype.toString.call(t))for(var c in t)Object.prototype.hasOwnProperty.call(t,c)&&o.call(r,t[c],c,t);else for(var e=0,l=t.length;l>e;e++)o.call(r,t[e],e,t)};
    
    var hamburgers = document.querySelectorAll(".hamburger");
    if (hamburgers.length > 0) {
      forEach(hamburgers, function(hamburger) {
        hamburger.addEventListener("click", function() {
          this.classList.toggle("is-active");
        }, false);
      });
    }