Technical MIME Specification & Web Server Guide

application/x-javascript

Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .JAVASCRIPT files (JAVASCRIPT File Format).

File Extension

.javascript

Content-Type Header

Format Category

General Files

Standard Specification

IANA Registered Standard

Description & Usage

Binary or text file format identified by extension .javascript

HTTP Server Content-Type Configuration Code

# Nginx mime.types configuration for .javascript
types {
    application/x-javascript    javascript;
}

OS Compatibility Matrix

Windows

macOS

Linux

Android

iOS

Want to test header signatures or binary files?

Run binary magic byte inspection in Magic Byte Detector.

Preguntas frecuentes

Respuestas claras a las preguntas más habituales.

The official MIME content type for .javascript files is "application/x-javascript". Web servers use this header to instruct browsers how to render or process .javascript data.