Return true if the provided argument is a number, a numeric string, or an array of numbers or numeric strings
- Source:
Parameters:
| Name | Type | Description |
|---|---|---|
val |
Number
|
String
|
Array.<Number>
|
Array.<String>
|
The value to inspect |
key |
String
|
The property to which the mixin method should be assigned |
mixin |
function
|
The mixin method |
Returns:
- Type:
-
void