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HttpCapabilitiesBase.EcmaScriptVersion Property

.NET Framework 4

Other Versions

Gets the version number of ECMAScript that the browser supports.

Namespace: System.Web.Configuration
Assembly: System.Web (in System.Web.dll)

Syntax

C++

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public Version EcmaScriptVersion { get; }

Property Value

Type: System.Version
The version number of ECMAScript that the browser supports.

Examples

The following code example shows how to determine whether the browser supports an ECMAScript major version number greater than 1.

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<%@ page language="C#"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    void Page_Load(Object Sender, EventArgs e)
    {
        CheckBrowserCaps();
    }

    void CheckBrowserCaps()
    {
        String labelText = "";
        System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
        if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).EcmaScriptVersion.Major > 1)
        {
            labelText = "EcmaScript version is greater than 1.";
        }
        else
        {
            labelText = "EcmaScript version is less than or equal to 1.";
        }

        Label1.Text = labelText;
    }
</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>

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

HttpCapabilitiesBase Class

System.Web.Configuration Namespace

Other Resources

ECMA official Web site

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