#1. Two Sum
/**
* @param {number[]} nums
* @param {number} target
* @return {number[]}
*/
var twoSum = function(nums, target) {
let map = new Map();
for(let i in nums) {
if(map.has(target - nums[i])) {
return [map.get(target - nums[i]), parseInt(i)]
}
map.set(nums[i], parseInt(i))
}
console.log("can't find the result")
};