It's a bitwise OR operator which in this case (against 0) essentially cuts of all non integers. Here it's used as a somewhat crude and hacky way to avoid Math.floor() or parseInt().
My advise would be to be careful using it in your projects. The | 0 is easily overlooked and can leave your future you searching forever where your math doesn't add up. Math.floor() does a better job at being self-explanatory. Since the example above is very short, the | 0 doesn't hurt for the simple purpose it serves.
Also look at stanleyvarga's comment. He also makes a solid point not to use it everywhere.
So creative )
A better description.
Thank you very much for your reply ;)
It's a bitwise OR operator which in this case (against 0) essentially cuts of all non integers. Here it's used as a somewhat crude and hacky way to avoid Math.floor() or parseInt().
My advise would be to be careful using it in your projects. The | 0 is easily overlooked and can leave your future you searching forever where your math doesn't add up. Math.floor() does a better job at being self-explanatory. Since the example above is very short, the | 0 doesn't hurt for the simple purpose it serves.
Also look at stanleyvarga's comment. He also makes a solid point not to use it everywhere.
What means this "|" in Javascript ?
Very nice. Not unique values, but realy nice!
Alr raised as issue
I think
YYYY/MM/DDis pretty clear. I've updated the test cases to only generate 4 digits years.Nice trick, thanks.
With backticks you can.
I didn't know you can ommit the parentheses
This comment is hidden because it contains spoiler information about the solution
It's a;r added some time ago
Nice One!
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