Advanced concepts Javascript Questions

Learn how to transform functions into reusable, smaller functions using currying and partial application.

Learn how to control function execution rates using debouncing and throttling for performance optimization.

Learn how event delegation lets you handle events efficiently by listening on a parent instead of multiple child elements.

Understand how JavaScript automatically frees memory using reachability and reference checks.

Learn how iterators define custom iteration behavior and how generators make writing them easier.

Learn what causes memory leaks in JavaScript and how to prevent them in web apps and Node.js.

Understand the difference between microtasks and macrotasks in the JavaScript event loop.

Understand the difference between shallow and deep copying, and how reference types affect data duplication.

Understand how WeakMap and WeakSet help with memory-safe key/value storage using weak references.

Learn how Web Workers enable multi-threaded behavior in JavaScript for heavy computations.