Tag: Web Development

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.

Store ordered lists with arrays and index access.

Transform data with map, filter, reduce, find, some, and every.

Model entities with key/value objects.

Use Object.keys/values/entries, assign, and freeze helpers.

Unpack arrays/objects into variables cleanly.

Create and concatenate strings; prefer template literals for interpolation.