Did facebook used JavaScript along with php?

Question

I want to know what langauges did facebook used to create their social media

Answer 1

Yes, Facebook app for mobile phones are developed through react native. Where javascript is base launguage for react native and php for Facebook.

Answer 2

JavaScript used in mostly websites. Ofcourse Facebook also use.

But this is off topic.

https://www.sololearn.com/discuss/1316935/?ref=app