HeadOutlet component 8.0 updates (#29793)

guardrex · web-flow · commit 2af48bc850d9 · 2023-07-13T08:23:52.000-04:00
diff --git a/aspnetcore/blazor/components/control-head-content.md b/aspnetcore/blazor/components/control-head-content.md
@@ -64,33 +64,53 @@ In a **required**, shared `_Layout.cshtml` file of a prerendered hosted Blazor W
 
 The <xref:Microsoft.AspNetCore.Components.Web.HeadOutlet> component renders content provided by <xref:Microsoft.AspNetCore.Components.Web.PageTitle> and <xref:Microsoft.AspNetCore.Components.Web.HeadContent> components.
 
-In an app created from the Blazor WebAssembly project template, the <xref:Microsoft.AspNetCore.Components.Web.HeadOutlet> component is added to the <xref:Microsoft.AspNetCore.Components.WebAssembly.Hosting.WebAssemblyHostBuilder.RootComponents> collection of the <xref:Microsoft.AspNetCore.Components.WebAssembly.Hosting.WebAssemblyHostBuilder> in `Program.cs`:
+:::moniker range=">= aspnetcore-8.0"
 
-```csharp
-builder.RootComponents.Add<HeadOutlet>("head::after");
+In a Blazor Web App created from the project template, the <xref:Microsoft.AspNetCore.Components.Web.HeadOutlet> component in `App.razor` renders `<head>` content:
+
+```razor
+<head>
+    ...
+    <HeadOutlet />
+</head>
 ```
 
-When the [`::after` pseudo-selector](https://developer.mozilla.org/docs/Web/CSS/::after) is specified, the contents of the root component are appended to the existing head contents instead of replacing the content. This allows the app to retain static head content in `wwwroot/index.html` without having to repeat the content in the app's Razor components.
+:::moniker-end
 
-:::moniker range=">= aspnetcore-7.0"
+:::moniker range=">= aspnetcore-7.0 < aspnetcore-8.0"
 
 In Blazor Server apps created from the Blazor Server project template, a [Component Tag Helper](xref:mvc/views/tag-helpers/builtin-th/component-tag-helper) renders `<head>` content for the <xref:Microsoft.AspNetCore.Components.Web.HeadOutlet> component in `Pages/_Host.cshtml`:
 
+```cshtml
+<head>
+    ...
+    <component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
+</head>
+```
+
 :::moniker-end
 
 :::moniker range="< aspnetcore-7.0"
 
 In Blazor Server apps created from the Blazor Server project template, a [Component Tag Helper](xref:mvc/views/tag-helpers/builtin-th/component-tag-helper) renders `<head>` content for the <xref:Microsoft.AspNetCore.Components.Web.HeadOutlet> component in `Pages/_Layout.cshtml`:
 
-:::moniker-end
-
 ```cshtml
 <head>
     ...
     <component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
 </head>
 ```
 
+:::moniker-end
+
+In an app created from the Blazor WebAssembly project template, the <xref:Microsoft.AspNetCore.Components.Web.HeadOutlet> component is added to the <xref:Microsoft.AspNetCore.Components.WebAssembly.Hosting.WebAssemblyHostBuilder.RootComponents> collection of the <xref:Microsoft.AspNetCore.Components.WebAssembly.Hosting.WebAssemblyHostBuilder> in `Program.cs`:
+
+```csharp
+builder.RootComponents.Add<HeadOutlet>("head::after");
+```
+
+When the [`::after` pseudo-selector](https://developer.mozilla.org/docs/Web/CSS/::after) is specified, the contents of the root component are appended to the existing head contents instead of replacing the content. This allows the app to retain static head content in `wwwroot/index.html` without having to repeat the content in the app's Razor components.
+
 ## Not found page title
 
 In Blazor apps created from Blazor project templates, the `NotFound` component template in the `App` component (`App.razor`) sets the page title to `Not found`.
diff --git a/aspnetcore/blazor/state-management.md b/aspnetcore/blazor/state-management.md
@@ -270,11 +270,7 @@ To disable prerendering, open the `Pages/_Host.cshtml` file and change the `rend
 
 :::moniker range=">= aspnetcore-6.0"
 
-[Prerendering of `<head>` content](xref:blazor/components/control-head-content) is disabled in [`<head>` content](xref:blazor/project-structure#location-of-head-content):
-
-```cshtml
-<component type="typeof(HeadOutlet)" render-mode="Server" />
-```
+When prerendering is disabled, [prerendering of `<head>` content](xref:blazor/components/control-head-content) is disabled.
 
 :::moniker-end
 
