Math.sign
Math.sign
Function
Symbol judgment. Negative numbers return -1, zero returns 0, and positive numbers return 1.
Syntax
Math.sign(value)
Parameters
| Parameters | Type | Required | Default value | Description |
|---|---|---|---|---|
| value | Number | Yes | None | The number involved in the judgment. |
Return value
| Type | Description |
|---|---|
| Int/Float | Returns -1 for negative numbers, 0 for zero, and 1 for positive numbers. An Int is returned for integer results, and a Float for non-integer or non-finite results. |
Example
result = Math.sign(-8) // Output: -1 print result
Notes
- The return value uses Int to represent -1, 0, or 1.