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Get started with ORT for JavaScript

ONNX Runtime JavaScript API is the unified interface used by ONNX Runtime Node.js binding, ONNX Runtime Web and ONNX Runtime for React Native.

Contents

ONNX Runtime Node.js binding

Install 

# install latest release version
npm install onnxruntime-node

Import 

// use ES6 style import syntax (recommended)
import * as ort from 'onnxruntime-node';

// or use CommonJS style import syntax
const ort = require('onnxruntime-node');

Examples

Supported Versions

Node.js v12.x+ or Electron v5.x+

ONNX Runtime Web

Install 

# install latest release version
npm install onnxruntime-web

# install nightly build dev version
npm install onnxruntime-web@dev

Import 

// use ES6 style import syntax (recommended)
import * as ort from 'onnxruntime-web';

// or use CommonJS style import syntax
const ort = require('onnxruntime-web');

ONNX Runtime Web can also be imported via a script tag in a HTML file, from a CDN server. See examples below for detail.

Examples

Supported Versions

mainstream modern browsers on Windows, macOS, Android and iOS.

ONNX Runtime for React Native

Install 

# install latest release version
npm install onnxruntime-react-native

Import 

// use ES6 style import syntax (recommended)
import * as ort from 'onnxruntime-react-native';

// or use CommonJS style import syntax
const ort = require('onnxruntime-react-native');

Builds

Builds are published to npm and can be installed using npm install

Package Artifact Description Supported Platforms
Node.js binding onnxruntime-node CPU (Release) Windows x64 CPU NAPI_v3, Linux x64 CPU NAPI_v3, MacOS x64 CPU NAPI_v3
Web onnxruntime-web CPU and GPU Browsers (wasm, webgl), Node.js (wasm)
React Native onnxruntime-react-native CPU Android, iOS

For Node.js binding, to use on platforms without pre-built binaries, you can build Node.js binding from source and consume using npm install <onnxruntime_repo_root>/js/node/.

API Reference

See ONNX Runtime JavaScript API for API reference.

See also: