How TO - Random Number Between Two Numbers

Learn how to get a random number between two numbers in JavaScript.

Random Numbers

This JavaScript function always returns a random number between a minimum (included) and maximum number (excluded):

function getRndInteger(min, max) {
return Math.floor(Math.random() * (max - min) ) + min;
}

This JavaScript function always returns a random number between min and max (both included):

function getRndInteger(min, max) {
return Math.floor(Math.random() * (max - min + 1) ) + min;
}

Read more about Random Numbers in our JavaScript Random Tutorial.