This detailed tutorial shows how to implement pure functions in JavaScript that are deterministic and referentially transparent, and create no side effects.

Master JavaScript programming with this complete beginner’s tutorial. Learn the fundamentals of JavaScript, a versatile programming language.

This tutorial provides a comprehensive guide to JavaScript Map and Set, explaining their differences, use cases, and how to use them.

Modern JavaScript Tutorial . Contribute to nieznamjs/javascript-tutorial-en development by creating an account on GitHub.

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!

For starters, let’s create a function that draws a watercolor spot with a given position, radius, and hue. P5.js gives us a function to draw an ellipse that we already used last week.