A daily updated filename extension database!

JS file extension

The table below provides useful information about the .js file extension. It answers questions such as:

  • What is the .js file?
  • What program do I need to open a .js file?
  • How can the .js file be opened, edited or printed?
  • How can I convert .js files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 1 alias(es) found in database

✅ JavaScript

.js
Description:
JS file is a JavaScript. JavaScript is an interpreted computer programming language. It was originally implemented as part of web browsers so that client-side scripts could interact with the user, control the browser, communicate asynchronously, and alter the document content that was displayed.
Application: Internet Explorer
Mime-type: text/javascript
Magic number: -
Magic string: -
Sample: -
JS aliases:
-
JS related links:
-
JS related extensions:
Hypertext Markup Language Document

Java Archive

Java Source Code

Cascading Style Sheets

JavaScript Style Sheet

Flash JavaScript

JavaScript Module

Handlebars Template

Rhino Compiled Javascript

WMLScript File

✅ JavaScript Style Sheet

.jss
Description:
JSS file is a JavaScript Style Sheet. JavaScript Style Sheets (JSSS) was a stylesheet language technology proposed by Netscape Communications Corporation in 1996 to provide facilities for defining the presentation of webpages.
Application: Internet Explorer
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
JSS aliases:
js
JSS related links:
-
JSS related extensions:
Hypertext Markup Language Document

Cascading Style Sheets

JavaScript

Other types of files may also use the .js file extension.

🚫 The .js file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hs, is, jc, je, jw, jx, jz, ks, ms, ns, sj, us, ys

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

SAP Fiori Journal Entry Data
netCDF Data
Haskell Source
Google Science Journal Data
Cocoon JX Template
Modula-3 Intermediate Assembly File
English Language Info File
JamesZhu Browser Database
FlashGet Partial Download
Y86 Assembler Source Code

🔴 Can't open a .js file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:

example.js

To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .js file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .js file extension, write to us!

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