Functions
array_length(x) → {number}
returns
the current length of array
x, which is 1 plus the
highest index that has been used so far in an array assignment on
x. Here literal array expressions are counted too: The
array [10, 20, 30] has a length of 3.
Parameters:
| Name | Type | Description |
|---|---|---|
x |
array | given array |
Returns:
current length of array
- Type
- number
is_array(x) → {boolean}
returns
true if x
is an array, and false if it is not.
Parameters:
| Name | Type | Description |
|---|---|---|
x |
value | given value |
Returns:
whether
x is an array
- Type
- boolean