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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

console.log(1_234_456_789.01);
// 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)
chromechrome_androidedgefirefoxfirefox_androidsafarisafari_iossamsunginternet_androidwebview_android
7575797070131311.075

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