js/** * @param {number[]} nums * @param {number} k * @return {boolean} */var checkSubarraySum = function(nums, k) {    let sum = 0    const remainderMap = new Map()    remainderMap.set(0, -1)    for(let i = 0; i < nums.length; i++) {        sum += nums[i]        let remainder = sum % k        remainder = remainder < 0 ? remainder + k : remainder        if (remainderMap.has(remainder)) {            if (i - remainderMap.get(remainder) > 1) return true        } else {            remainderMap.set(remainder, i)        }    }    return false};