Approx. {{courseState.expectedDuration}} {{courseState.expectedDurationUnit}}

Assumes 6hr/wk (work at your own pace)

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Course Summary

Learn the fundamentals of JavaScript, the most popular programming language in web development.

Why Take This Course?

JavaScript is the most popular programming language for both front-end and back-end web development. Applications for JavaScript span from interactive websites to the Internet of Things, making it a great choice for beginners and experienced developers looking to learn a new programming language.

Prerequisites and Requirements

This course is ideal for beginners who are looking to add a new programming language to their toolbelt. JavaScript is also foundational for developers who want to pursue a career in web development. No prior experience is necessary for this course.

See the Technology Requirements for using Udacity.

What Will I Learn?


Lesson 1: What is JavaScript?

  • Explore the quirky history of the JavaScript language
  • Learn how to use the JavaScript console and write your first line of JavaScript code

Lesson 2: Data Types & Variables

  • Use a variety of data types to represent data in your code
  • Learn how to store data using variables

Lesson 3: Conditionals

  • Translate real-life decisions into code using conditional statements
  • Model more complex problems using logical operators

Lesson 4: Loops

  • Learn how to repeatedly execute code with loop and iteration fundamentals
  • Explore working with JavaScript while and for loops

Lesson 5: Functions

  • Organize your code by declaring functions and writing function expressions
  • Demystify tricky JavaScript behavior by learning about scope and hoisting

Lesson 6: Arrays

  • Store collections of data in arrays
  • Manipulate arrays using common properties and methods

Lesson 7: Objects

  • Create JavaScript objects to represent complex data types

Instructors & Partners

Julia Van Cleve is a Content Developer at Udacity and was previously a middle school math teacher in San Jose, CA. She also dabbled in freelance web development, designing websites for small businesses in the Bay Area. She graduated with a B.S. in Mathematics from Rensselaer Polytechnic Institute, and earned an M.A. in Education from Stanford University. In her spare time, Julia enjoys Ingressing, dancing, and adding cute cat photos to her lessons.