JavaScript Numbers: Properties and Methods

4.9
stars
16 ratings
Offered By
Coursera Project Network
In this Guided Project, you will:

Declare and use a variable with a number data type in JavaScript.

Write code using JavaScript number properties.

Write code using JavaScript number methods.

Clock2 hours
BeginnerBeginner
CloudNo download needed
VideoSplit-screen video
Comment DotsEnglish
LaptopDesktop only

In this beginning-level project you will work with the number data type, and with properties and methods that apply to numbers. You will use Notepad++ to write JavaScript code and the Chrome browser to view your results. For a JavaScript programmer, understanding how to deal with variables that contain numbers is a prerequisite for any kind of number processing – even something as simple as accepting a number from a prompt() method and using it in a calculation. Note: This course works best for learners who are based in the North America region. We’re currently working on providing the same experience in other regions.

Skills you will develop

  • isNaN()
  • Number()
  • Javascript Methods
  • toString()
  • JavaScript

Learn step-by-step

In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:

  1. Write JavaScript code to declare a variable and then assign a number value to that variable.

  2. Use the Number() method to convert a value in a string variable to a number.

  3. Write JavaScript code to convert a number variable into a string variable using the toString() method.

  4. Use methods to check whether the value of a variable is an integer, or not a number at all.

  5. Experiment with number properties in JavaScript code.

How Guided Projects work

Your workspace is a cloud desktop right in your browser, no download required

In a split-screen video, your instructor guides you step-by-step

Frequently asked questions

Frequently Asked Questions

More questions? Visit the Learner Help Center.