Install libjavascriptcoregtk-4.0-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libjavascriptcoregtk-4.0-dev
Description:
JavaScript engine library from WebKitGTK+ - development files
JavaScriptCore is the JavaScript engine used in WebKit. It consists of the following building blocks: lexer, parser, start-up interpreter (LLInt), baseline JIT, a low-latency optimizing JIT (DFG), and a high-throughput optimizing JIT (FTL). . This build comes from the GTK+ port of WebKit (API version 4.0). . This package contains the development files.
Homepage: https://webkitgtk.org/
Version: 2.20.1-1
Section: libdevel