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

If your goal is to work by programming .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 on it at the same time.

Files ending with .JS have an extension that can be open alone 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 consist of a simple text to perform a data exchange, being a subset of the literal notation. Lines of JavaScript code are text documents that refer to internet pages, which once selected, perform their intended function and can be enabled in any browser.

The functions that can be performed with JavaScript are, open or close Internet browser tabs and windows, or perform a validation sequence. JavaScript codes allow you to create functional tables that can be viewed interactively; This allows the user to easily manage the PC and that is why it is good practice to insert JavaScript in your WordPress page.

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

You can also use Microsoft Notepad to open the contents 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?

One file extension is series of 3 or 4 characters that you find at the end of a document name. Extension files tell the programmer what type of document it is and the information it has related to Windows.



Windows windows are often associated with a code list .JS, which are collected with each file extension. For this reason, when you double-click on the document of your choice, it will automatically open on your computer.


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

How to open a .JS file?

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

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

You will need to verify that your computer has the appropriate application to open the .JS application and if you don't have it, you will need to purchase it. Since, if you don't have the ideal application for this file, you won't be able to open the document, no matter how hard you try to do it through Windows.


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


Applications that will allow you to open .JS

To open a .JS file, we need to have one of these applications, which normally i PC they have.


  1.       Microsoft Notepad, downloadable from the Microsoft Store.
  2.       Microsoft Internet Explorer.
  3.       Apple safari.
  4.       Google Chrome.
  5.       Mozilla Firefox.

A very useful caveat regarding the .JS file

This is a very important point to keep in mind, so be very careful and avoid taking undue attributions. This way, you will make sure that your .JS file extension works correctly and performs the function for which it was programmed.



What we mean, well that some programmers tend to change the .JS file extension, but this shouldn't be done. How come? because, this will not cause the file type to change, as this will only be done by the indicated software. And this is one special conversion software, which allows you to edit the .JS file from another file type.


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

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