Make Math Happen Instantly
Explore how to write math expressions in JavaScript and display results instantly on your webpage. Learn basic operators, use variables to store values, and understand the difference between user-facing output and the developer console. This lesson helps you make your page do real-time math calculations effortlessly.
We'll cover the following...
We'll cover the following...
Your browser can be a calculator, too. In this lesson, you’ll learn how to do math with JavaScript—and display the result instantly.
Goal
You will learn to:
Write math expressions in JavaScript.
Display the result using
console.log()or HTML.Understand the basic math operators.
Do some math
You can use ...