How To Run JavaScript Files

JavaScript has become a widely preferred platform for the creation of dynamic and interactive web pages and apps. Undoubtedly, it is equally advantageous to run a JavaScript to expedite the efficiency of a site.

Besides, it saves the developers from the annoyance of rewriting the codes and allows them to reuse it on various HTML platforms.

On that account, this detailed guide will help you unearth everything it takes to understand what is a js file and how to run js files differently.

What is a js file?

JS is an extension written with JavaScript files for instance (windows.js). These files have JavaScript codes embedded into them for the execution of different functions such as creating a dropdown menu, data validation, windows operations, and much more.

Js files create a distinction between HTML and code and give the liberty of easy code readability and reusability to the users.

Types of the js file 

There is a clear distinction between an exe file and an executable file. Even though the difference is minor, it would not be correct to say that an exe file is the same as an executable file. Similarly is the case with the external and exe files in JavaScript.

External JS File

An external file in JavaScript is available for writing and reading about a program that it has been created for. It is specified for the different programs and the deletion of one can also end the existence of a file. 

External files draw a line of distinction between HTML and code to make HTML easily readable. 

JS EXE Script

Exe extension is written with executable files in JavaScript but there is a distinction in that too because not all executable files could be exe files. 

The major advantage of these .exe files is that they make the software run smoothly by providing directions to the computing system. 

An exe file can be opened by giving a trigger like a double click on the file, but this process entirely depends on the system you have at your disposal. 

Different Ways to Run a JS File 

Do you know that 0-5 seconds is the prime webpage loading time? Then, if your site is slower than that, you need to think about a potent solution. 

How to run JavaScript files to attain this speed? With correct JS code this won’t anymore be a hard nut to crack. Therefore, you need to learn about the few ways enlisted below to get proper assistance on how to run a js file on different platforms.

How to run a js file in Chrome?

It is significant to activate JavaScript on google to make sure that no sites get crashed when you try to open them. 

If you are confused about how could it possibly be done, then follow these steps to learn how to run a JavaScript file on Google chrome.

1. Open Google Chrome 
2. Go to the settings.
3. Tap on the “Privacy and Security” options
4. Scroll down to find the “Site Settings” tab.
5. Now, click the “JavaScript” option in the “content” section.
6. Change the default behavior to “sites can use JavaScript”.
7. Manually add the sites you allow to use JavaScript.

How to Run JavaScript File in Mozilla Firefox?

It is never too late to improve the performance of any site by integrating JavaScript. With regards to that, we have discussed a simple method to resolve your how to run a js file query in an instant. 

1. Go to the Firefox browser’s menu.
2. Open the “options tab” and click the “content tab”
3. Activate JavaScript by marking the check on the box.
4. Now close it by clicking on the “ok” button in the “options” tab.
5. Refresh the page after you have allowed the browser to run JavaScript online.

How to run a js file on windows?

Inserting a command in the code console can make it easier to be interpreted and function accordingly. 

Keeping that in my mind here is the tutorial on how to run JavaScript files on windows.

Process#1:

1. Open a webpage on your PC.
2. Press the ctrl+J+shift keys or right-click button on your mouse.
3. Either way, you’ll be directed to the console where you can type the right JavaScript.

Note:

The automation process integrated there will speed up the code execution as well learning process. 

Process #2:

1. First, you need to get a text editor like Notepad++.
2. Enter the right JavaScript code. 

For Instance:

3. Now open any browser to run this code. 
4. Shortly, you’ll see a pop-up notification with the text you specified in the code. 

How to run JavaScript files using Node.js?

It would be highly beneficial for the developers to run a js file on Nodejs for automatic synchronization of data between server and client. Consequently, it will allow its frameworks to have a shared codebase for both by using a single-threaded event loop. 

So, if you want to avail this and many more benefits too, you need to follow the steps mentioned below.

1. Install Node.js on windows. (https://nodejs.org/en/download/) 
2. Save the file in C:/ drive.
3. Create another C:/ drive with any name for instance [c:/script.js]
4. Paste it in the following format as shown below;

var http = require(‘http’); http.createServer(function (req, res) { res.writeHead(200, {‘Content-Type’: ‘text/plain’}); res.end(‘Script n’); }).listen(1337, “127.0.0.1”); console.log(‘Server running at https://127.0.0.1:1337/’);

5. Save this file.
6. Go to the “start” menu and then to the “run command” option.
7. Run the command prompt with the following;

c:>node c:abcscript.js

And it will work well!

Note:

This is the demonstration of the same hello world process you can find on the Node.js website. 

Time To Sum It Up!

The process to run a js file on any platform involves the separation of JS code and HTML code which in return provides tangible benefits to the programmers. 

But, to make it all go well you need to dot the i’s and cross the t’s that you can easily do after reading this extensive guide.