Closure : randomItem

by Cristi Salcescu

JavaScript

let types = ["History", "Travel", "Biographies"];
function createRandomItem(arr){
	return function randomItem(){
		let index = Math.floor(Math.random() * arr.length);
    return arr[index];
  }
}

let randomType = createRandomItem(types);
console.log(randomType());
console.log(randomType());
console.log(randomType());