>> JS file

JS file format description

Many people share .js files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .js file can be edited, converted or printed with. On this page, we try to provide assistance for handling .js files.

2 filename extension(s) found in our database.

.js - JavaScript

The JS development files are related to Internet Explorer. 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.

Internet Explorer
Development files
- / -
JavaScript related extensions:
Microsoft Frontpage Website Template
Visual FoxPro Window File
Visual FoxPro Compiled Query Program
Visual FoxPro Label
Visual FoxPro Label Memo
Visual FoxPro KRT File

.jss - JavaScript Style Sheet

The JSS development files are related to Internet Explorer. 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.

Internet Explorer
Development files
- / -
JavaScript Style Sheet related extensions:
COBOL Unisys Library File
Micro Focus Studio Declaration Generator Batch File
EXTRA! Basic Macro
Message Tools for NetWare Source Code
Micro Focus COBOL Debug Data
Micro Focus COBOL Overlay File

Naturally, other applications may also use the .js file extension. Even harmful programs can create .js files. Be especially cautious with .js files coming from an unknown source!

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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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?

Similar file extensions in our database:

JamesZhu Browser Database
Y86 Assembler Source Code
Hyperstudio Stack Data
netCDF Data
JustWrite Document
English Language Info File

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .js file format, then write to us!