What is MIME type "application/x-janet"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

The MIME type application/x-janet identifies files that follow the JANET file format.

It signals to software that the file is meant for specialized usage. The x- prefix shows it is experimental or non-standard. This type helps programs decide how to process the file.

Scripting and Code Execution: Files can contain source code or scripts meant for the Janet environment.
Custom Data Handling: It may be used for configuration or application-specific data in projects that use the Janet format.
Interoperability: Using a dedicated MIME type allows web servers and applications to handle these files correctly.

For a deeper look into MIME types and their purpose, see the IANA media types registry.

Associated file extensions

.janet

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: application/x-janet

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="application/x-janet">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/x-janet');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.janet

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.