What’s something that’s been confusing? How would you explain it to someone else?

What is “use strict”;? What are the advantages and disadvantages to using it?

Explain function hoisting in JavaScript.

Explain the importance of standards and standards bodies like ECMA.

What actions have you personally taken on recent projects to increase maintainability of your code?

Why is it, in general, a good idea to leave the global scope of a website as-is and never touch it?