Online since 1990 Yes! I started with Gopher. I do modern Web Component Development with technologies supported by **all** WHATWG partners (Apple, Google, Microsoft & Mozilla)
They are part of the JavaScript engine, no lower than an Array or any other API
A low-level programming language is a programming language that provides little or no abstraction from a computer's instruction set architecture—commands or functions in the language map that are structurally similar to processor's instructions. Generally, this refers to either machine code or assembly language.
Low-Level ??
They are part of the JavaScript engine, no lower than an Array or any other API
You can "improve" your code:
to
MDN append documentation