Install seed-webkit2 by entering the following commands in the terminal:
sudo apt update sudo apt install seed-webkit2
Description:
GObject JavaScript bindings for the webkit engine - Interpreter
Seed is a library and interpreter, dynamically bridging (through GObjectIntrospection) the WebKit JavaScriptCore engine, with the GNOME platform. Seed serves as something which enables you to write standalone applications in JavaScript, or easily enable your application to be extensible in JavaScript. . This package contains the interpreter itself, for use by the scripts using seed as a shebang.
Homepage: https://wiki.gnome.org/Projects/Seed
Version: 4.0.0+20161014+6c77960+dfsg1-5build1
Section: universe/interpreters