Built-in Utilities

Bun provides many built-in utilities that would normally require external packages in Node.js. Let's explore these time-saving features.

String Utilities

Bun includes fast string manipulation functions:

Deep Comparison

Compare complex objects without external libraries:

Garbage Collection

Manually trigger garbage collection when needed:

Binary Data with ArrayBufferSink

Efficiently build binary data:

Environment Variables

Access environment variables through Bun.env:

Exercise: Safe HTML Display

Create a function that safely renders user content:

Exercise: Object Differ

Create a function that checks if two objects have changed:

Exercise: Content Hasher

Create a utility to generate content hashes: