Small Silverlight wrapper for FireBug or anything else that support console.

HtmlConsole.cs

using System;
using System.Windows.Browser;

/// <summary>
///     Small wrapper for FireBug, or anything else that support console.
///     BTW IE9 supports Log, Info and Error.
/// </summary>
/// <example>
///     // Time feature of the FireBug
///     using (HtmlConsole.Time("Create and set RootVisual"))
///     {
///          this.RootVisual = new MainPage();
///     }
/// </example>
public static class HtmlConsole
{
    public static void Log(string msg)
    {
        Write("log", msg);
    }

    public static void Debug(string msg)
    {
        Write("debug", msg);
    }

    public static void Info(string msg)
    {
        Write("info", msg);
    }

    public static void Warn(string msg)
    {
        Write("warn", msg);
    }

    public static void Error(string msg)
    {
        Write("error", msg);
    }        
    public static IDisposable Time(string msg)
    {
        HtmlPage.Window.Eval("if (console) console.time('" + EncodeText(msg) + "')");

        return new ActionDisposable(() => HtmlPage.Window.Eval("if (console) console.timeEnd('" + EncodeText(msg) + "')"));
    }

    private class ActionDisposable : IDisposable
    {
        private readonly Action _a;

        public ActionDisposable(Action a)
        {
            _a = a;
        }

        public void Dispose()
        {
            if (_a != null) _a();
        }
    }

    private static void Write(string sev, string msg)
    {
        HtmlPage.Window.Eval("if (console) console." + sev + "('" + EncodeText(msg) + "')");
    }

    private static string EncodeText(string msg)
    {
        return msg.Replace("'", "''");
    }
}