JSFiddle - React, Tailwind, and code Playground

by Yuriy Petrichenko

JavaScript

var arr = [];
function checkLetters() {
 var x = prompt ('enter value', '');
 arr.push(x);
}
 // var int = setInterval(checkLetters,2000);


function checkDoubleLetters(array) {
		for (var i = 0; i < array.length; i ++) {
    	if(array[i] === 'i') {
      		var 
      }
    }
}