Jesús Moreno

Datos extraidos de: http://www.w3schools.com/jsref/jsref_slice_array.asp

JavaScript Array slice() Method

Select elements from an array:

var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"];

var citrus = fruits.slice(1, 3);

The result of citrus will be:

Orange,Lemon

More "Try it Yourself" examples below.

The slice() method returns the selected elements in an array, as a new array object.

The slice() method selects the elements starting at the given start argument, and ends at, but does not include, the givenend argument.

Note: The original array will not be changed.

The numbers in the table specify the first browser version that fully supports the method.

Method
slice()	1.0	Yes	1.0	Yes	Yes

array.slice(start,end)

Parameter	Description
start	Required. An integer that specifies where to start the selection (The first element has an index of 0). Use negative numbers to select from the end of an array
end	Optional. An integer that specifies where to end the selection. If omitted, all elements from the start position and to the end of the array will be selected. Use negative numbers to select from the end of an array

Return Value:	A new Array, containing the selected elements
JavaScript Version:	1.2

Select elements using negative values:

var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"];

var myBest = fruits.slice(-3, -1);

The result of myBest will be:

Lemon,Apple