extend

Adds a list or tuple with items to the end of a list, and returns the new length.

This function generates a change (except when called on a variable).

Function

list.extend(list)

Arguments

Return value

Returns the new length of the list.

Example

This code extends a list with a given array:

a = [1, 2, 3];
b = [4, 5, 6];
a.extend(b);  // returns the new length, 6
a;

Return value in JSON format

[
    1,
    2,
    3,
    4,
    5,
    6
]