JavaScript Machine Coding

Master Vanilla JavaScript by building real components and functions from scratch.

1. Debounce Function

Write a function that delays execution until after a specified wait time.

function debounce(func, wait) {
  let timeout;
  return function(...args) {
    clearTimeout(timeout);
    timeout = setTimeout(() => func.apply(this, args), wait);
  };
}

2. Deep Clone

A function that creates a completely new copy of an object, including all nested objects.

3. Flat Array

Convert a multi-level nested array into a single-level array.

4. Star Rating Component

Build a UI component in Vanilla JS that allows a user to select a rating from 1 to 5.

Next Step: Learn Advanced React.