HttpCapabilitiesBase.JavaScript Property
.NET Framework (current version)
Note: This API is now obsolete.
Namespace:
System.Web.Configuration
Assembly: System.Web (in System.Web.dll)
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Gets a value indicating whether the browser supports JavaScript.
Assembly: System.Web (in System.Web.dll)
<ObsoleteAttribute("The recommended alternative is the EcmaScriptVersion property. A Major version value greater than or equal to 1 implies JavaScript support. http://go.microsoft.com/fwlink/?linkid=14202")> Public ReadOnly Property JavaScript As Boolean
Property Value
Type: System.Booleantrue if the browser supports JavaScript; otherwise, false. The default is false.
If the browser supports JavaScript but scripting is disabled through a security setting, the JavaScript property will return true but script will not execute on the browser.
The following code example shows how to determine whether the browser supports JavaScript.
<%@ page language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) CheckBrowserCaps() End Sub Function CheckBrowserCaps() Dim labelText As String = "" Dim myBrowserCaps As System.Web.HttpBrowserCapabilities = Request.Browser If (CType(myBrowserCaps, System.Web.Configuration.HttpCapabilitiesBase)).JavaScript Then labelText = "Browser supports JavaScript." Else labelText = "Browser does not support JavaScript." End If Label1.Text = labelText End Function 'CheckBrowserCaps </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>Browser Capabilities Sample</title> </head> <body> <form runat="server" id="form1"> <div> Browser Capabilities: <p/><asp:Label ID="Label1" Runat="server" /> </div> </form> </body> </html>
.NET Framework
Available since 2.0
Available since 2.0
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