How to generate a random number between two numbers in JavaScript The simplest possible way to randomly pick a number between two Published Oct 20, 2018 Use a combination of Math.floor() and Math.random(). This simple one line of code will return you a number between 1 and 6 (both included): Math.floor(Math.random() * 6 + 1) There are 6 possible outcomes here: 1, 2, 3, 4, 5, 6.