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Remove decimals
Hello,
I’ve been trying to simply remove the decimals from a number; eg. I want 9.9 rounded to 9, just killing off everything after the decimal point. So Math.round and toFixed don’t work; they do it “mathematically properly”. I’m trying to divide one number by another, but only want a whole integer result.I remember from the dim and distant past that BBC Basic (from the 1980s!) had a DIV function, that gave “the integer quotient of two items. The result is always an integer”, so 21 DIV 5 would give 4. I assume Javascript must have some equivalent of this? I suppose I could do a workaround and subtract the remainder from the first number:
a=21;
b=4
c=a%b;
(a-c)/b…but that’s a bit of a palaver!
Any other suggestions, please?
Thanks,
Paul
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3 Replies
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Aha! After some searching around the world of Javascript, I found the rather bizarre:
~~
…so:
n=16.99;
~~nwound give the desired:
16
– Paul.
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How about Math.floor()?
Dan
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Thanks Dan!
Incredibly, a Google search for ~~ returns no results. But I managed to find out that ~~ (a double bitwise NOT, apparently) and Math.floor perform the same thing.
– Paul
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