List.lastIndexOf method

Gets the index of the last occurrence of the specified value in a list.

Syntax

var number = list.lastIndexOf(searchElement, fromIndex);

Parameters

  • searchElement
    Type: Object

    The value to locate in the list.

  • fromIndex
    Type: Number

    The index at which to begin the search. If fromIndex is omitted, the search starts at the last index in the list.

Return value

Type: Number

The index of the last occurrence of a value in a list, or -1 if not found.

Requirements

Minimum WinJS version

WinJS 1.0

Namespace

WinJS.Binding

See also

List