creativemind1

//Hash Method:

function twoSum(nums, target) {
    const map = new Map(); // Stores value -> index

    for (let i = 0; i < nums.length; i++) {
        const complement = target - nums[i];

        if (map.has(complement)) {
            return [map.get(complement), i]; // Found the two indices

creativemind1

function countLetters(str) {
  const smallString = str.toLowerCase();
  const obj = {};
  for (let i = 0; i < smallString.length; i++) {
  	if (obj[smallString[i]]) {
    	obj[smallString[i]] += 1;
    } else {
    	obj[smallString[i]] = 1;
    }
  }