Go from complete beginner to confidently writing JavaScript — covering variables, functions, arrays, and the three most powerful array methods: map, filter, and reduce.
Go from complete beginner to confidently writing JavaScript — covering variables, functions, arrays, and the three most powerful array methods: map, filter, and reduce.
This course takes you through JavaScript step by step, using plain language and real-world analogies. No scary jargon, no overwhelming theory — just clean, practical learning that actually sticks.
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Discover what JavaScript is, where it runs, and write your very first lines of code.
Learn how to store and label data, and explore the different types of values JavaScript understands.
Perform calculations, make comparisons, and tell your program which path to take.
Write reusable blocks of code that take inputs and give back results.
Store ordered collections of data and learn the essential methods to work with them.
Master three higher-order methods that will change how you think about data transformation.
You will understand how JavaScript works in the browser; declare variables with let and const; work with all data types; write functions including arrow functions; build and manipulate arrays; and confidently use map(), filter(), and reduce() to work with data.
