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Suppose you're dealing with big numbers in JavaScript, you might know that they're becoming harder to read with every digit. Look at 123456789 โ€“ how many millions is that? I don't know! ๐Ÿคทโ€โ™‚๏ธ

To solve this readability issue JavaScript implements numeric separators.

// Make large numbers more readable with numeric separators

// 1234456789.01

I was aware that the language addition is around the corner, but surprisingly, I just realized, they're cross-browser-supported these days! ๐ŸŽ‰

MDN Compat Data (source)
Browser support info for Numeric separators (1_000_000_000_000)

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About Stefan Judis

Frontend nerd with over ten years of experience, freelance dev, "Today I Learned" blogger, conference speaker, and Open Source maintainer.

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