cs11dotnet7/vscode/PracticalApps/Northwind.BlazorServer/Pages/Index.razor

@page "/"

<PageTitle>Index</PageTitle>

<h1>Hello, world!</h1>

Welcome to your new app.

<SurveyPrompt Title="How is Blazor working for you?" />

<button type="button" class="btn btn-info" @onclick="AlertBrowser">
  Poke the browser</button>
<hr />
<input id="colorBox" />
<button type="button" class="btn btn-info" @onclick="SetColor">
  Set Color</button>
<button type="button" class="btn btn-info" @onclick="GetColor">
  Get Color</button>

@code {
  [Inject]
  public IJSRuntime JSRuntime { get; set; } = null!;

  public async Task AlertBrowser()
  {
    await JSRuntime.InvokeVoidAsync(
      "messageBox", "Blazor poking the browser");
  }

  public async Task SetColor()
  {
    await JSRuntime.InvokeVoidAsync("setColorInStorage");
  }

  public async Task GetColor()
  {
    await JSRuntime.InvokeVoidAsync("getColorFromStorage");
  }
}