Methods
(static) sign(value) → {number}
The function returns the sign of a number, indicating whether the number is positive, negative or zero.
This function has 5 kinds of return values, 1, -1, 0, -0, NaN, which represent "positive number",
"negative number", "positive zero", "negative zero" and NaN respectively.
Parameters:
| Name | Type | Description |
|---|---|---|
value |
* |
Returns:
- Type
- number