Lesson 1
What is JavaScript?
Learn the history of JavaScript and start writing your code immediately using the JavaScript console.
Free
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
No experience required
Course Lessons
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
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.
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.
Taught By The Best
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.
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.
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Intro to JavaScript