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Returns the index of the first occurrence of a key in a list.
Syntax
var number = filteredListProjection.indexOfKey(key);
Parameters
key
Type: StringThe key to locate in the list.
Return value
Type: Number
The index of the first occurrence of a key in a list, or -1 if not found.
Requirements
Minimum WinJS version |
WinJS 1.0 |
Namespace |
WinJS.Binding |