Nitro uses just-in-time compilation to dynamically convert interpreted JavaScript code into compiled native ARM code that runs as much as 2.5 times faster than interpreted code.

Of course, the developer also notes that not every app that injects JavaScript code into an in-app browser does so for malicious purposes, since JavaScript is the basis of many web features.

TikTok's custom in-app browser on iOS reportedly injects JavaScript code into external websites that allows TikTok to monitor "all keyboard inputs and taps" while a user is interacting with a ...

Compiler to convert Go language to JavaScript. news. Dec 19, 2017 2 mins. Google Go JavaScript Web Development.