Returns the specified value rounded to specified precision.
Parameters:
value
precision
The precision can also be negative or zero.
When omitted, 0
is assumed.
round(3.4) == 3
round(-3.4) == -3
round(3.5) == 4
round(3.6) == 4
round(-3.6) == -4
round(1.95583, 2) == 1.96
round(1241757, -3) == 1242000
round(5.045, 2) == 5.05
round(5.055, 2) == 5.06