Function toNearest

toNearest(interval?, method?): number
Round a number to the closest number which is a multiple of the provided interval. This is a convenience function intended to humanize issues of floating point precision. The interval is treated as a standard string representation to determine the amount of decimal truncation applied.
Parameters
- interval: number = 1
  The interval to round the number to the nearest multiple of
- Optional method: string = "round"
  The rounding method in: round, ceil, floor
Returns number
The rounded number
Example: Round a number to the nearest step interval
```
let n = 17.18;
n.toNearest(5); // 15
n.toNearest(10); // 20
n.toNearest(10, "floor"); // 10
n.toNearest(10, "ceil"); // 20
n.toNearest(0.25); // 17.25
```