Reference

Examples

Every language feature has a runnable example under examples/ — no README snippets to go stale, just .ts files that compile and run, verified on every build. All 198 of them are here, grouped by area; pick one from the tree on the left.

Arrays 10

Array Bounds Array Functions Array Methods Arrays Arrays Of Objects Higher Order Mutators Everywhere Nested Arrays Sort Spread Rest

assert 1

Assert

Async / Promise 9

Aggregate Error Async Async Generator Async Iterable Concurrent Tasks For Await Iterables New Promise Promise All Promise Chaining

BigInt 1

Bigint

Blob 1

Blob

Buffer 1

Buffer

child_process 1

Child Process

Classes 1

Classes

Closures 2

Array Of Closures Closures

cluster 1

Cluster

console 1

Console

Control flow 2

Control Flow Try Finally

Web Crypto 1

Crypto

Date 1

Date

dgram 1

Echo

dns 2

Lookup Resolve Promises

Dynamic 1

Any Parameters

Encoding / Text 1

Encoding Text

Enums 1

Enums

EventEmitter 2

Event Map Eventemitter

Events 4

Abort Controller Event Customevent Eventtarget Fetch Abort

EventSource 1

Eventsource

fetch 6

Fetch Fetch Init Fetch Request Headers Fetch Then Wttr Weather Xhr

File system 1

fs (async) 1

Fs Async

fs (streams) 1

Fs Streams

Function expressions 2

Function Expressions Named

Generators 2

Generator Expressions Generators

Generics 3

Erased Generics Generics Multi Type Params

Globals 3

Globals Reserved Globals Static Eval

HTTP server 5

Http Binary Body Http Close Http Cluster Http Server Http Union Body

HTTP/2 1

H2c Server

Modules 17

Default Export Greet Import Meta Url Imports Klain Modules Package Math Named Builtin Import Namespace Import Re Export Re Export Core Re Export Lib Require Commonjs Scoping Scoping A Scoping B Side Effects Side Effects Setup

util.inspect 1

Object Print

Interfaces 1

Interfaces

JSON 2

Json Methods Json Obj

Language 1

Spread Args

Literal expressions 1

Literal Expressions

Map 1

Map

Math 1

Math Methods

Memory management 2

Memory Free Memory Gc

Nested functions 1

Nested Functions

net 2

Client Server Echo Server

Nullable scalars 1

Nullable Scalars

Nullish 1

Nullish

Objects 4

Computed Keys Group By Object Static Objects

os 1

path 1

Path

Process / CLI 4

Exec File Sync Graceful Shutdown Process Process Info

Process stdin 1

Stream

querystring 1

Querystring

readline 1

Readline

RegExp 4

Regexp Regexp Dialects Regexp Ecmascript Regexp Utf16

Set 1

Set

Streams 7

Fetch Body Gzip Http Chunked Http Upload Node Stream Pipeline Readable

Strings 9

Char Code Escape Sequences Search Compare String Indexing String Methods String Static Strings Substring Slice Template Literals

Structured Clone 1

Structured Clone

Tagged Templates 1

Tagged Templates

Testing 1

Testing

Timers 1

Timers

tls 2

Tls Client Tls Server

Try Catch 2

Division By Zero Try Catch

Tuples 1

Tuples

Typedarrays 1

Typedarrays

Types 14

Any Unknown Bare Class Fields Conditional Types Erased Syntax Intersections Jsdoc Param Types Jsdoc Widths Mapped Types Member Update Number Model Static Field Init Symbol Unions Utility Types

URL 2

Url Urlpattern

util 1

Format Inspect

Weak 1

Weak

WebSocket 2

Websocket Client Websocket Server

Workers 10

Broadcast Browser Echo Counter Worker News Worker Parallel Sum Port Pair Port Worker Shared Counter Shout Worker Sum Worker

zlib 1

Zlib