Fancy JS setTimeout function

wait.js

/**
 * JS promisified setTimeout
 * 
 * @param {number} ms timeout time in ms
 * @example
 * wait(2000).then(console.log)
 * // => logs after 2 seconds
 * @returns {Promise} A promise that resolves after the specified time `ms`
 */
let wait = ms => new Promise(res => setTimeout(res, ms));