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StringPrototype.substr Method

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

Creates a new string that contains the specified number of consecutive characters from the specified string, starting from the specified character position. Use substring instead, if you can.

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

[NotRecommended("substr")]
[JSFunctionAttribute(JSFunctionAttributeEnum.HasThisObject, JSBuiltin.String_substr)]
public static string substr(
	Object thisob,
	double start,
	Object count
)

Parameters

thisob
Type: System.Object

The object that this method is acting upon.

start
Type: System.Double

The first consecutive character to get.

count
Type: System.Object

The number of characters to get.

Return Value

Type: System.String
A new string that contains count consecutive characters, starting at start.

.NET Framework

Supported in: 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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