题解 | #数组中出现次数超过一半的数字#

```     let maps = {}
		const num = numbers.length >> 1
		for (let i = 0;i < numbers.length; i++) {
			maps[numbers[i]] = maps[numbers[i]] !== undefined ? maps[numbers[i]] + 1 : 1
			if (maps[numbers[i]] > num) return numbers[i]
		}