len

Returns the length of any type of data. If the argument value is null or undefined, 0 is returned.

Parameters

• data::any

Returns

boolean

Examples

JavaScript

len('12345'); // Returns 5
len([1, 2, 3]); // Returns 3

Dart

len('12345'); // Returns 5
len([1, 2, 3]); // Returns 3

Python

len('12345')  # Returns 5
len([1, 2, 3])  # Returns 3