JavaScript-Interview-Question/FizzBuzz.js at master · plopfizz/JavaScript-Interview-Question · GitHub

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// Approach 1(Naive)

var fizzBuzz = function (n) {

let resultArray = [];

for (let i = 1; i <= n; i++) {

if (i % 3 === 0 && i % 5 === 0) {

resultArray[i - 1] = "FizzBuzz";

} else if (i % 5 === 0) {

resultArray[i - 1] = "Buzz";

} else if (i % 3 === 0) {

resultArray[i - 1] = "Fizz";

} else {

resultArray[i - 1] = i.toString();

}

return resultArray;

};

// Approach2(optimised)

let fizzBuzz = (n) => {

let hashMap = new Map();

let arr = [];

hashMap.set(3, "Fizz");

hashMap.set(5, "Buzz");

for (let i = 1; i <= n; i++) {

let output = "";

for (let key of hashMap.keys()) {

if (i % key == 0) {

output += hashMap.get(key);

}

if (output == "") {

output = i.toString();

}

arr.push(output);

}

return arr;

};

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