Module Knowledge Check

You've covered scope, block scope, hoisting, closures, closure scope, higher-order functions, callbacks, and functions that return functions.

This closing quiz focuses on tricky conceptual behavior across the whole module. Read each question carefully, especially the ones involving scope lookup, temporal dead zones, shared closure state, and callback timing.

You need to score 70% or higher to complete this lesson and finish the module. You can retake the quiz as many times as you like - your best score counts.