Function slope

slope(x1: number, y1: number, x2: number, y2: number): number
Calculates the slope of two points.
Parameters
- x1: number
  The x-coordinate of the first point
- y1: number
  The y-coordinate of the first point
- x2: number
  The x-coordinate of the first point
- y2: number
  The y-coordinate of the second point
Returns number
Example
```
const result = Chalkboard.real.slope(1, 3, 4, 9); // Returns 2
```
- Defined in Chalkboard.real.ts:1631