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application/javascript

JavaScript (legacy)

Application

.js

Media Type

application/javascript

File Extension

.js

HTTP Response Header

Content-Type: application/javascript

HTML Link Tag

<link rel="stylesheet" type="application/javascript" href="style.css">

JavaScript Fetch API

fetch('/api/data', {
  headers: {
    'Content-Type': 'application/javascript'
  }
})

Express.js (Node.js)

res.setHeader('Content-Type', 'application/javascript');
res.send(data);

Application MIME types are used for structured data and binary files. The Content-Type header helps browsers and APIs process the data correctly.

JSON data

XML application data

PDF document