JSFiddle - React, Tailwind, and code Playground

by Dave Appus

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>

JavaScript

function allEqual(arr){ 
  arr.every(
    function(val){
     return  val == arr[0]
    } 
 )
}

allEqual([1, 1, 1, 1]);