![]() ![]() If you want to generate a random number, use the Math.random() method: console.log(Math.random()) If you want to round a number down to its nearest integer, use the Math.floor() method: console.log(Math.floor(6.2)) // 6 If you want to round a number up to its nearest integer, use the Math.ceil() method: console.log(Math.ceil(6.2)) // 7 If you want to want to round a number to its nearest integer, use the Math.round() method: console.log(Math.round(6.2)) // 6 Let's go over some examples of how to implement those methods. ![]() The general syntax for the Math object methods is the following: thodName(number) The Math object has a few built-in methods that make performing those operations much more accurate. JavaScript has the Math built-in static object, which allows you to perform mathematical calculations and operations. How To Use Math in JavaScript - An Introduction to the Math Object How to generate a random integer with a specified min and max inclusive range.How to generate a Random integer with a specified max inclusive.How to generate a random integer with a specified max.How to generate a random decimal with a specified min and max range.How to generate a random decimal with a specified max.In this article, you will learn how to use the Math.random() method to retrieve random numbers. One of those methods is the Math.random() method. JavaScript has many built-in methods for working with numbers and performing mathematical calculations. When working with a JavaScript program, there may be times when you will need to generate a random number.įor example, you may want to generate a random number when developing a JavaScript game, such as a number guessing game.
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