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HttpCapabilitiesBase.EcmaScriptVersion Property

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Definition

Namespace:
System.Web.Configuration
Assembly:
System.Web.dll

Gets the version number of ECMAScript that the browser supports.

public:
 property Version ^ EcmaScriptVersion { Version ^ get(); };
public Version EcmaScriptVersion { get; }
member this.EcmaScriptVersion : Version
Public ReadOnly Property EcmaScriptVersion As Version

Property Value

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.

<%@ 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>

<%@ 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)).EcmaScriptVersion.Major > 1 Then
            labelText = "EcmaScript version is greater than 1."
        Else
            labelText = "EcmaScript version is less than or equal to 1."
        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>

Applies to

See also