What is and how to open a .JS file extension on my Windows PC?

If your goal is to work programming the .JS lines of code in Windows on your PC, you should first know what they are and how they work. That is why in this tutorial we will briefly explain how to open a .JS file and work with them at the same time.

Files that end in .JS are an extension that can only be opened with special applications. These types of documents are usually more complex to read and download, which means that it is a file that cannot be seen by everyone.

The .JS files are made up of a simple text to perform a data exchange, being a subset of literal notation. JavaScript lines of code are text documents that refer to internet pages, which when selected, perform their programmed function and can be enabled in any browser .

The functions that can be performed with JavaScript are, open or close tabs and internet browser windows, or perform a validation sequence. JavaScript codes allow you to create functional tables that can be displayed interactively; This allows an easy management of the PC to the user and that is why it is a good idea to insert some JavaScript in your WordPress page .


You can also use Microsoft Notepad to open the content of the .JS file and analyze its detailed information, as well as to write an HTML code for your web page.

What is a .JS file?

A file extension is the series of 3 or 4 characters found at the end of the name of a document. The extension files indicate to the programmer what kind of document it is, and the information it has in relation to Windows.

Windows windows are often associated with a list of .JS codes, which are collated with each file extension. For that reason, when you double-click on the document you have chosen, it will automatically open on your computer.

But of course, when you delete the document from your computer, all the information related to the .JS file extension will also be deleted. For that reason, even if you get a reference to the document, when you try to open it, the PC will tell you that there is a failure.

How to open a .JS file?

The process to open the .JS file is simple, but the programmer must verify that the computer has an application compatible with the program. For that reason, in this tutorial we will briefly explain what you must do, to open this document so that you can use it correctly.

To open a .JS file extension, you can do it like any other document you want to select on your PC, you must double-click it. If the combination of the files are properly defined, the application that opens the .JS will allow it to open properly.

You will have to verify that your computer has the appropriate application to open the .JS application and if you do not have it, you will have to buy it. Since, if you do not have the ideal application for this file, you will not be able to open the document, no matter how much you try to do it through Windows.

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Applications that will allow you to open .JS

In order to open a .JS file, we must have one of these applications, which PCs normally have built-in.

  1.       Microsoft Notepad, which can be downloaded from the Microsoft Store .
  2.       Microsoft Internet Explorer.
  3.       Apple Safari.
  4.       Google Chrome.
  5.       Mozilla Firefox.

A very useful warning regarding the .JS file

This is a very important point to take into account, so be very attentive to it and avoid taking undue attributions. In this way, you will ensure that your .JS file extension works correctly and fulfills the function for which it was programmed.

What do we mean, good that some programmers tend to modify the extension of the .JS file, but this should not be done. Why? because, this will not cause the file type to be modified, since this will only be done by the indicated software. And this is, a special conversion software, which allows the .JS file to be modified by another type of file.

As you may have noticed, opening a .JS file is very simple, which allows you to carry out programming in your Windows. But it is also important to try not to modify the document unless you have a suitable software converter for it.

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