tags:

views:

700

answers:

3
+1  Q: 

How do I get the whole number portion of a number (javascript)

e.g

1.2=1 1.5=1 1.9=1

+11  A: 

Using Math.floor(number).

Robert Massa  2009-08-11 07:02:23
http://www.w3schools.com/jsref/jsref_floor.asp
 2009-08-11 07:02:54
number>0?Math.floor(number):Math.ceil(number) to handle the negative case if needed
gnarf  2009-08-11 09:00:41
+3  A: 

You can also use

newNumber = parseInt(number);

Nobik  2009-08-11 07:26:53
You shuld always stipulate the base parameter with parseint e.g. parseInt(number,10). The if you do not, zero-padded numbers may parse as octal.
James Wiseman  2009-08-11 07:33:43
You're right, i have forgot this.In the most cases this conversion will done
Nobik  2009-08-11 09:08:20
+1  A: 

for negative numbers you can just use Math.abs(num) and it will knock off the - sign from the start

danwellman  2009-08-11 16:03:19

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