Tag: JavaScript

Compare the three common scope levels with examples.

Learn how declarations are hoisted and temporal dead zones work.

Use closures to keep private state via captured variables.

Understand creation/execution of contexts and the call stack.

Collect remaining values with rest syntax in bindings and parameters.

Declare reusable behavior with function declarations and expressions.

Define parameters, defaults, and rest parameters.

Send values out of functions with return.

Store functions in variables as expressions.

Expand iterables/objects with … for copies and merges.