increasingTriplet.js

/**
 * @param {number[]} nums
 * @return {boolean}
 */
var increasingTriplet = function(nums) {
    let currentMin = nums[0];
    let minWithSmaller = Infinity;
    
    for (let i = 1; i < nums.length; i++) {
        if (nums[i] > minWithSmaller) {
            return true;
        }
        
        if (nums[i] > currentMin) {
            if (nums[i] < minWithSmaller) {
                minWithSmaller = nums[i];
            }
        }
        
        if (nums[i] < currentMin) {
            currentMin = nums[i]
        }
    }
    return false;
};