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Informations about the JS filename extension and the file formats associated with it

We collected the information you should know about the .js filename on this page. If you were sent a(n) .js file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

2 filename extension(s) are in our database

.js - JavaScript

The JS file is a Development file, which is connected to the JavaScript according to our registry. With the adequate settings, the JavaScript (.js) files can be opened or converted with the help of Internet Explorer.

Format description:
JS format
Category:
Development
Application:
Internet Explorer
Mime-type:
text/javascript
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.appref-ms
Microsoft ClickOnce Application Reference
.atom
Atom Syndication Format File
.css
Cascading Style Sheets
.feed-ms
Microsoft RSS Feed Store
.htc
HTML Component
.htm
Hypertext Markup Language Document

.jss - JavaScript Style Sheet

The JSS file is a Development file, which is connected to the JavaScript Style Sheet according to our registry. With the adequate settings, the JavaScript Style Sheet (.jss) files can be opened or converted with the help of Internet Explorer.

Format description:
JSS format
Category:
Development
Application:
Internet Explorer
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
js
Related links:
-
Related extensions:
.appref-ms
Microsoft ClickOnce Application Reference
.atom
Atom Syndication Format File
.css
Cascading Style Sheets
.feed-ms
Microsoft RSS Feed Store
.htc
HTML Component
.htm
Hypertext Markup Language Document

Important! Programs other than the ones listed above may also use the .js file extension. Even harmful programs can create files with the .js extension to store data in them. Always be careful with .js files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .js file can’t be opened on your computer?

If the program necessary for opening the .js file is installed properly on your computer, then the quickest and simplest way to open the .js file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .js file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .js extension

The .js filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .js files.

hs, ms, jw, is, ns, ks, jc

Maybe you’re not even looking for the .js file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .js extension. It’s possible that the one you’re looking for is among them.

.hs
Haskell Source
.ns
MongoDB Namespace File
.is
Modula-3 Intermediate Assembly File
.ns
netCDF Data
.jc
FlashGet Partial Download
.jw
JustWrite Document

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

Help us

We regularly check all the links on our pages, but it’s possible that a link doesn’t work or it doesn’t point to the correct page. If you found an error on this page, or if you have information that should be here, then don’t hesitate. Write to us and share your useful information.

We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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