FIRST
NAME
first - Return first element from array as a copy.
SYNOPSIS
first(array)
DESCRIPTION
This function return the first element of an array as a copy. The array is not modified
So if a = [1,2,3,4,5]; top(a) return 1 and a has value 1,2,3,4,5.
Function first and top are synonym.
PARAMETERS
array: required, the array to get element from.
RETURN
Returns the first element of an array as a copy.
EXAMPLES
// Basic usage
a = [1,2,3,4,5];
a.top();
// result 1
a;
// result [1,2,3,4,5]
// First item as a copy
people = [{"name": "Luke"}, {"name": "John"}];
user1 = people.first(); // Creates a copy of the first element
user1;
// Result {"name":"Luke"}
user1.name = "Lanny";
user1.job = "carpenter";
people; // Unmodified original array
// Result [{"name":"Luke"},{"name":"John"}]
SEE ALSO
{{ include("includes/array.sn") }}
AUTHOR
Written by Pierre Laplante, <laplante@sednove.com>
MODIFICATIONS
1.0 2014-09-09 21:24:14 laplante@sednove.com
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