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Make a WebApp Slider Menu in 2 mins - All JS frameworks

Okay so the title is a little click-baity, but the ease of this blew my mind and I wanted to ring the bells for my fellow devs.

So you're not stuck downloading a full library just to implement it, when all you need is a dozen lines of css for blazing fast perf and compatibility.

There's 3 overall steps which are required , all very simple, to do this. You can use any JavaScript framework or vanilla JS if you would like. Its all in pure CSS.

  1. Create a div for your overall page content. In this example lets give it an id of #page, and make sure to assign it a width of 100vw in your .css style. So it will update its width to match the device.

  2. Create a button with an onclick handler which sets a variable called "IsMenuVisible" to true , upon click. This is the button which will trigger the side menu to open.

  3. Create a div with id #flyoutMenu, inside the #page div (from step1) anywhere. Add a class of "show" to this div , when "IsMenuVisible" is true , and add a class of "hide" when "IsMenuVisible" is false.

  4. Let the CSS below do the rest of the magic :)

#flyoutMenu {
  width: 100vw;
  height: 100vh;
  background-color: #FFE600;
  position: fixed;
  top: 0;
  left: 0;
  transition: transform .3s 
              cubic-bezier(0, .52, 0, 1);
  overflow: scroll;
  z-index: 1000;

#flyoutMenu.hide {
  transform: translate3d(-100vw, 0, 0);
} {
  transform: translate3d(0vw, 0, 0);
  overflow: hidden;
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Original reference CSS from:

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