arrayUnique.js

//Input
	var arr1 = [1,3,2,4,0,9,3,5];
	var arr2 = [0,9,2,2,7,5];
//output
	var outputData = [ 2, 0, 9, 5 ];
  
//Answer
//1st way
var answer2 =[];
for(var num in arr1){
	if(arr2.includes(arr1[num]) == true){
		answer2.push(arr1[num]);
	}
}
console.log("Output Array : " + answer2);//[ 2, 0, 9, 5 ]


//2nd way
var answer1 = [];
for(var num1 in arr1){
	for(var num2 in arr2){
		if(arr2[num2] == arr1[num1]){
			if(answer1.includes(arr1[num1]) == false){
				answer1.push(arr1[num1]);
			}
		}
	}
}
console.log("Output Array : " + answer1); //[ 2, 0, 9, 5 ]