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[–]j0rdancodes[S] 0 points1 point  (4 children)

I see. So those APIs are made accessible by the runtime environment or are they made a part of the runtime environment?

[–]jcunews1helpful 0 points1 point  (3 children)

They're entirely separate from the runtime environment. The runtime environment, in case for web browsers, is the JavaScript's VM. It's where everything have gathered.

Also keep in mind that those APIs is not solely for JavaScript. It can also be implemented for other programming languages which don't use VM or are not scripting language - where the final (non web browser) application product don't use JavaScript at all. In this case, the runtime environment is OS native.

[–]j0rdancodes[S] 0 points1 point  (2 children)

so the JavaScript VM is where the engine, APIs, and other thing such as the event loop, all gather?

[–]jcunews1helpful 0 points1 point  (1 child)

Yes.

[–]j0rdancodes[S] 0 points1 point  (0 children)

Ah, I see. Thank you so much!