SO - 32032001- duplicate value in javascript

by codeSpy

JavaScript

var numberOfSameElements = 0;
var found = false;
var arr = ["red", "blue", "green", "red", "red", "gray"];
for(var i = 0 ; i <arr.length;i++){
	for(var j = 0; j < arr.length; j++){
    	if(arr[i] === arr[j] && i != j){
   			if(!found){
                numberOfSameElements++;
                found = true;
            }
 		}
    }
    found = false;
}

console.log(numberOfSameElements);