两数之和 about interviewsummary

[guyuezhai]

/**
 * @param {number[]} nums
 * @param {number} target
 * @return {number[]}
 */
var twoSum = function(nums, target) {
    let map=new Map(),loop=0;
    while(loop<nums.length){
        let item=nums[loop]
        let index=target-item;
        let flag=map.has(index)
        if(flag){
            return [map.get(index),loop]
        }
        map.set(item,loop)
        loop++
    }
};