inRange

Checks if value is between start and end to, but not including end. If end is not specified, it's set to start with start then set to 0. If start is greater than end the params are swapped to support negative ranges.

inRange(3, 2, 4); // true
inRange(4, 8); // true
inRange(4, 2); // false
inRange(2, 2); // false
inRange(1.2, 2); // true
inRange(-3, -2, -6); // true

ceil

Computes number rounded up to precision.

ceil(4.006); // 5
ceil(6.004, 2); // 6.01
ceil(6040, -2); // 6100

floor

Computes number rounded down to precision.

floor(4.006); // 4
floor(0.046, 2); // 0.04
floor(4060, -2); // 4000

round

Computes number rounded to precision.

round(4.006); // 4
round(4.006, 2); // 4.01
round(4060, -2); // 4100