javascript rounding

Question

I want to round TheCount / 5 to the next highest integer. When TheCount = 12

I tried:

Math.round(TheCount / 5);

but it returns 2 and I need it to return 3.

How does rounding to the next highest integer work?

Thanks.

What type of rounding are you trying to perform? 12 / 5 = 2.4, and most people would say that round(2.4) = 2 is correct. — Philip Sheard
– Philip Sheard, Commented Apr 28, 2012 at 12:00
@PhilipSheard: I'm using this to count the number of pages. So 12 items with 5 items per pages is 3 pages. — frenchie
– frenchie, Commented Apr 28, 2012 at 12:02
Then in plain English you are rounding up, not rounding. You want the ceil function, as everyone suggests. — Philip Sheard
– Philip Sheard, Commented Apr 28, 2012 at 12:04

Jonathan Payne · Accepted Answer · 2012-04-28 11:59:18Z

5

The ceil function rounds up.

Math.ceil( TheCount / 5 );

answered Apr 28, 2012 at 11:59

Jonathan Payne

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Oleg V. Volkov · Accepted Answer · 2012-04-28 11:59:02Z

2

Use Math.ceil.

answered Apr 28, 2012 at 11:59

Oleg V. Volkov

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Alex M · Accepted Answer · 2012-04-28 11:59:02Z

1

Rounding up can be done with Math.ceil

answered Apr 28, 2012 at 11:59

Alex M

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Ethan Zhang · Accepted Answer · 2012-04-28 11:59:22Z

1

I think Math.ceil is what you want.

answered Apr 28, 2012 at 11:59

Ethan Zhang

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Skyste · Accepted Answer · 2012-04-28 12:00:10Z

rather than Math.round you want Math.ceil

So you'd want

var result = Math.ceil(TheCount / 5);

Hope that helps!

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