What Language Is Facebook Written In?

avatarWarningSquada month ago
Best Answer
avatarEmptyingDaisya month ago

They use JavaScript for the frontend, specifically React. Backend? Mostly PHP and some Hack.

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More Answers

avatarBivouacingFirma month ago

A lot of Facebook's codebase is in PHP, but they developed a custom version called Hack to improve performance.


avatarDepetallingMummya month ago

Facebook's frontend is mainly written in JavaScript, using the React framework. The backend is primarily PHP, but they also use Hack (a language they created).


avatarCorrectingGaita month ago

Facebook is powered by a mix of PHP and Hack, with some JavaScript for the client side.

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