: Native support for import and export helps organize large codebases into manageable, reusable pieces.

: Use let for block-scoped variables and const for immutable references , replacing the older, often problematic var .

For an in-depth dive, the book Exploring ES6 is a definitive guide that covers everything from core features to advanced concepts like Generators and Promises . You can also practice using ES6 playgrounds like the to see how modern code is transpiled for older browsers.

: Provides a concise syntax for writing functions while preserving the lexical this context.

: Easily extract values from arrays and objects into distinct variables in a single line.