Function nullish #
Nullish coalescing operator (??). Returns the right-hand side operand when the left-hand side operand is null or undefined, and otherwise returns the left-hand side operand.
For matrices, the function is evaluated element wise.
Syntax #
math.nullish(x, y)
Parameters #
| Parameter | Type | Description |
|---|---|---|
x |
* | First value to check |
y |
* | Fallback value |
Returns #
| Type | Description |
|---|---|
| * | Returns y when x is null or undefined, otherwise returns x |
Throws #
Type | Description —- | ———–
Examples #
math.nullish(null, 42) // returns 42
math.nullish(undefined, 42) // returns 42
math.nullish(0, 42) // returns 0
math.nullish(false, 42) // returns false
math.nullish('', 42) // returns ''
// Object property access with fallback
const obj = {foo: 7, bar: 3}
math.nullish(obj.baz, 0) // returns 0
