JSFiddle - React, Tailwind, and code Playground

by e_kurbanov

JavaScript

function solution(A) {
    A.sort(function(a,b){return a - b});
    var first = A[0];
    var last = A[A.length - 1];
    var i;
    var diff = []
    for(i = first; i <= last; i++){
    	diff.push(i);
    }
    
    for(var i = 0; i < A.length; i++){	
				if(A.indexOf(diff[i]) == -1){
        		console.log(diff[i]);
        }      	
    }
}

solution([2, 3, 1, 5]);