// 给定 nums = [2, 7, 11, 15], target = 9 // 因为 nums[0] + nums[1] = 2 + 7 = 9 // 所以返回 [0, 1]
console.log(func([2, 7, 11, 15], 9)); function func(nums, target) { for (let i = 0; i < nums.length; i++) { for (let j = 0; j < nums.length; j++) { if (nums[i] + nums[j] === target && i !== j) { return [i, j]; } } } }