What is the difference between fetch() and window.fetch()?

Question

See the title. When calling fetch in our react project, a (now departed) developer originally used from fetch to window.fetch. I'm not sure of the difference and can't find anything conclusive online (W3Schools doesn't even mention fetch as a function of the window)

Fetch is a function on the window object. You don't need to specify window.fetch in most cases as the global scope is window. There is no difference. — Ari Seyhun
– Ari Seyhun, Commented Sep 12, 2019 at 4:41

Brad · Accepted Answer · 2019-09-12 06:09:05Z

19

On your developer console, try this experiment:

fetch === window.fetch

You'll see that this returns true. They are in fact the same thing.

window is the global object in a browser context. The browser APIs (distinct from language features) are found on the global window object.

edited Sep 12, 2019 at 6:09

answered Sep 12, 2019 at 4:42

Brad

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3 Comments

zerkms Over a year ago

"Much of the framework you're using is built on the window object." --- this is a weird one.

Brad Over a year ago

@zerkms Feel free to re-word if you have a better way to describe it.

Jonas Wilms Over a year ago

"All browser APIs are provided through the window global object." ?

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