formatting decimals in javascript

Question

i want to format a number to max of 2 decimals in javascript. i see that there is:

toFixed(2)

but this seems like it would ALWAYS do 2 decimals. i want something that would take: 100.1223334 and convert it to 100.12 but i want this function to convert 100.5 to just 100.5 (since < 2 decimal digits)

whats is the best way of doing this in javascript.

look at similar post http://stackoverflow.com/questions/661562/how-to-format-a-float-in-javascript — Naren Sisodiya, Apr 16 '11 at 04:22

score 5 · Accepted Answer · answered Apr 16 '11 at 04:20

5

Use Math.round(number * 100) / 100.

For example, 100.1223 becomes 10012.23, which is rounded to the nearest integer (10012) and then divided by 100 to get 100.12.

answered Apr 16 '11 at 04:20

PleaseStand

30,777
6
65
95

score 0 · Answer 2 · answered Apr 16 '11 at 04:12

0

Use Math.round(number). This will round off the number to maximum 2 decimals.

answered Apr 16 '11 at 04:12

Sang Suantak

5,133
1
24
42

No, it will round it to the nearest integer; no digits after the decimal point. – Brian Campbell Apr 16 '11 at 04:16
True, my mistake, confused it with .net round method. – Sang Suantak Apr 16 '11 at 04:20

formatting decimals in javascript

2 Answers2