Duktape

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Duktape is an embeddable Javascript engine designed for portability and a compact footprint. It enables easy integration of Javascript scripting into C/C++ projects, particularly for embedded systems.

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At a glance

Pricing

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Free tier

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API

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Skill level

Technical

About

What is duktape?

Duktape is a lightweight, embeddable Javascript engine specifically engineered for environments where resources are constrained. Its primary focus is on portability, allowing developers to integrate Javascript scripting capabilities into a wide range of C/C++ projects with minimal overhead. This makes it an ideal solution for adding dynamic scripting to embedded systems and various applications where a small memory footprint and efficient performance are crucial. Duktape aims to provide a straightforward and robust way to extend C/C++ applications with the flexibility of Javascript.

Best used for

Embedding Javascript scripting capabilities into C/C++ projects, especially for resource-constrained environments like embedded systems.

Common actions

Embed Javascript

Script C/C++ applications

Develop embedded software

Add scripting to applications

Optimize resource usage

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Capabilities

Key features

Embeddable Javascript engine
Portable
Compact footprint
C/C++ integration
Embedded systems scripting

Target Audience

C/C++ DevelopersEmbedded Systems EngineersSoftware Architects

Integrations

Not yet documented

Pricing & Plans

unknown

Free

FAQs

What are the typical memory requirements for Duktape in an embedded system?

Duktape is designed for low-resource environments. A minimal build can require as little as 64KB of flash and a few kilobytes of RAM, though actual usage depends on the specific application, the size of the JavaScript code, and the number of active objects.

Can Duktape be used with any C/C++ compiler and platform?

Yes, Duktape is highly portable and has been successfully compiled with various C/C++ compilers (like GCC, Clang, MSVC) and runs on a wide array of platforms, including microcontrollers, Linux, Windows, and macOS. It aims for C99 compatibility.

How does Duktape handle C/C++ function calls from JavaScript and vice versa?

Duktape provides a robust C API for seamless interoperability. You can expose C functions to be called from JavaScript and call JavaScript functions from your C/C++ code, allowing for tight integration and control over the scripting environment.

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