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StringPrototype.indexOf Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Searches for the first occurrence of the specified string in the specified object, starting from the specified character position.

Namespace:  Microsoft.JScript
Assembly:  Microsoft.JScript (in Microsoft.JScript.dll)

[JSFunctionAttribute(JSFunctionAttributeEnum.HasThisObject, JSBuiltin.String_indexOf)]
public static int indexOf(
	Object thisob,
	Object searchString,
	double position
)

Parameters

thisob
Type: System.Object

The object that this method is acting upon.

searchString
Type: System.Object

The string to search for.

position
Type: System.Double

The position at which to start the search.

Return Value

Type: System.Int32
The position of the first occurrence of searchString, if it is found.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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