Is it appropriate to include JavaScript and CSS in views?

In my ASP.NET MVC project, I have set up a _Layout, a controller, and several views. Certain pieces of code are clearly global in nature, such as the CSS included in the _Layout file and other styles that are consistent throughout the site.

However, when it comes to styles and JavaScripts that are specific to a particular view, is it better to include them directly in the .cshtml file or should they be placed in a global file?

Answer №1

If you want to create a specific section using RenderSection in your layout file and then incorporate it into your view, follow these steps:

_Layout.cshtml :

<head>
<title>@ViewBag.Title</title>
<meta name="viewport" content="width=device-width" />
<script src="~/Content/Scripts/public.js"></script>
@RenderSection("head", false)
</head>

Post.cshtml :

@{
    Layout = "~/Views/Shared/_Layout.cshtml";
 }
@section head{
<script src="~/Content/Scripts/custom.js"></script>
}

Answer №2

It's important to include common elements in the _Layout file that are applicable to all views. Custom CSS and JavaScript specific to a particular page should be loaded only on that specific page, rather than being written directly in the HTML but rendered from separate .JS or CSS files.

Answer №3

By grouping and compressing the view-specific resources, we can enhance performance.

_Layout.cshtml:

<head>
    @Styles.Render("~/Content/mastercss")
    @Scripts.Render("~/bundles/masterjs")

    @RenderSection("header", required: false)
</head>

View :

@{
    Layout = "~/Views/Shared/_Layout.cshtml";
 }

@section header{
    @Styles.Render("~/Content/viewspecific")
    @Scripts.Render("~/bundles/viewspecific")
}

To optimize loading times, bundles should be organized based on the pages that utilize them. For instance, in ASP.NET MVC templates for web applications, a separate jQuery Validation bundle is created alongside jQuery. This way, views without input fields or post values do not include the validation bundle.

http://www.asp.net/mvc/overview/performance/bundling-and-minification

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