Program.cs

using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace WordFrequency
{
    public class Program
    {
    /*    public void ConfigureServices(IServiceCollection services)
        {
            services.AddScoped<BrowserServices>(); // scoped service
        }*/

        public static async Task Main(string[] args)
        {

            var builder = WebAssemblyHostBuilder.CreateDefault(args);
            builder.RootComponents.Add<App>("app");
            builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
            await builder.Build().RunAsync();
        }

        
    }

}