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Learn about functions — the building blocks of programs. Watch this video to learn about IF conditions: ...

Learn how to do simple math in JavaScript and create constants. Watch this video to learn about functions: ...

Understand the difference between expressions and statements. Watch this to learn about environment and scope: ...

Learn the types of errors in JavaScript and ways to handle them. Watch this video to learn about recursion: ...

Understand how and why isolated environments are created in JS, what scoping is and how cool are closures. Watch this to ...

Learn about the iterative process, a way to optimize recursive calculations. Watch this video to learn about loops and variables: ...

Learn about IF conditions in JavaScript and boolean algebra. Watch this video to learn about errors: ...

When you declare functions in JavaScript, they are “hoisted”. Surma explains how in this video. If you have questions or ...

Assigning Variables in JavaScript.

WASM is one of those technologies that we hear about all the time, but how many of us are actually able to take advantage of it?

Surma shows you the new Object Spread operator “...” in JavaScript. If you have questions or suggestions, hit us up on Twitter!

Learn about strings in JavaScript. Learn about variables and loops. Understand declarative vs. imperative programming. Watch ...

Hi! Welcome to Codewars. In this series I gonna solve TDD katas using JavaScript. Let's solve today a kata titled "Square(n) ...

A JavaScript file was renamed to TypeScript and has errors. Learn how to suppress the errors by changing the configuration to ...

What is recursion and how to wrap your head around it? Watch this video to learn about iterative processes: ...

Learn about mutators and for loops in JS. Watch this video to learn about testing: ...

We start with the JavaScript code for generating the n-th factorial using recursion and memoization, and visualize the step-by-step ...

Hi! Welcome to Codewars. In this series I gonna solve TDD katas using JavaScript. Let's solve today a kata titled "Jenny's secret ...

In this episode, Jake and Surma dissect how for-loops actually work and how they've evolved. Turns out, it got complicated.

In this mini series, Surma introduces you to the various functional methods that JavaScript Arrays have to offer. In this episode: ...