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並前往https://www.quora.com/In-JavaScript-how-does-forEach-allow-you-to-console-log-a-return-statement-but-not-simply-return-something

In JavaScript, how does forEach allow you to console.log a ...

The [code ]forEach[/code] invokes a sequence of callbacks. Callbacks are functions. Like any other JS function, they can return something or not.

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