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Intro to JavaScript

Course

Learn the fundamentals of JavaScript syntax. Explore JavaScript fundamentals by learning how to define variables and use data types to represent data in your code.

Learn the fundamentals of JavaScript syntax. Explore JavaScript fundamentals by learning how to define variables and use data types to represent data in your code.

Last Updated March 7, 2022

Prerequisites:

No experience required

Course Lessons

Lesson 1

What is JavaScript?

Learn the history of JavaScript and start writing your code immediately using the JavaScript console.

Lesson 2

Data Types & Variables

Learn to represent real-world data using JavaScript variables, and distinguish between the different data types in the language.

Lesson 3

Conditionals

Learn how to add logic to your JavaScript programs using conditional statements.

Lesson 4

Loops

Harness the power of JavaScript loops to reduce code duplication and automate repetitive tasks.

Lesson 5

Functions

Dive into the world of JavaScript functions. Learn to harness their power to streamline and organize your programs.

Lesson 6

Arrays

Learn how to use Arrays to store complex data in your JavaScript programs.

Lesson 7

Objects

Meet the next JavaScript data structure: the Object. Learn to use it to store complex data alongside Arrays.

Taught By The Best

Photo of Julia Van Cleve

Julia Van Cleve

Instructor

Julia 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.

Photo of James Parkes

James Parkes

Instructor

James received his degree in Computer Science and Mathematics, then went on to become a Udacity instructor in several programs. His personal mission is clear: to open the doors of opportunity for others by empowering them with excellent educational experiences.

The Udacity Difference

Combine technology training for employees with industry experts, mentors, and projects, for critical thinking that pushes innovation. Our proven upskilling system goes after success—relentlessly.

Demonstrate proficiency with practical projects

Projects are based on real-world scenarios and challenges, allowing you to apply the skills you learn to practical situations, while giving you real hands-on experience.

  • Gain proven experience

  • Retain knowledge longer

  • Apply new skills immediately

Top-tier services to ensure learner success

Reviewers provide timely and constructive feedback on your project submissions, highlighting areas of improvement and offering practical tips to enhance your work.

  • Get help from subject matter experts

  • Learn industry best practices

  • Gain valuable insights and improve your skills

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