NeilFraser/JS-Interpreter

A sandboxed JavaScript interpreter in JavaScript.

JavaScript

2,186

105 commits

updated Jun 17, 2026

See the code

README

JS-Interpreter

A sandboxed JavaScript interpreter in JavaScript. Execute arbitrary ES5 JavaScript code line by line in isolation and safety.

Live demo: https://neil.fraser.name/software/JS-Interpreter/

Documentation: https://neil.fraser.name/software/JS-Interpreter/docs.html

Developers using JS-Interpreter should subscribe to the announcement newsgroup. Security issues and major changes will be posted here: https://groups.google.com/g/js-interpreter-announce

javascript

js-interpreter

sandbox

Project health

Overall

1.8/10

Maintained

0/10

Code review

0/10

OpenSSF Scorecard

Significant stargazers

(top 24 of 26)

Daniel Chao

190 followers · starred Feb 2016

Peli de Halleux

600 followers · starred Apr 2025

Wes Todd

804 followers · starred Oct 2014

Steve Sewell

1,590 followers · starred May 2020

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NeilFraser/JS-Interpreter

A sandboxed JavaScript interpreter in JavaScript.

JavaScript

2,186

105 commits

updated Jun 17, 2026

See the code

README

JS-Interpreter

A sandboxed JavaScript interpreter in JavaScript. Execute arbitrary ES5 JavaScript code line by line in isolation and safety.

Live demo: https://neil.fraser.name/software/JS-Interpreter/

Documentation: https://neil.fraser.name/software/JS-Interpreter/docs.html

Developers using JS-Interpreter should subscribe to the announcement newsgroup. Security issues and major changes will be posted here: https://groups.google.com/g/js-interpreter-announce

javascript

js-interpreter

sandbox

Project health

Overall

1.8/10

Maintained

0/10

Code review

0/10

OpenSSF Scorecard

Significant stargazers

(top 24 of 26)

Daniel Chao

190 followers · starred Feb 2016

Peli de Halleux

600 followers · starred Apr 2025

Wes Todd

804 followers · starred Oct 2014

Steve Sewell

1,590 followers · starred May 2020

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