What is a js file? How to open js file?

js file refers to a text document containing JavaScript code with the extension ".js", which is used to execute JavaScript instructions in web pages; double-click to start the js file. If the file association is set correctly, you can directly Open it using the software associated with it.

JS is the abbreviation of javascript, and js is the front-end script of the web page. Almost all the web page effects you see are due to JS. Without JS, the web page will become rigid. Under normal circumstances, js files cannot be opened directly. Only when used with web pages can you see its effect. Next, I will introduce in detail what a js file is and how to open it in the article. I hope it will be helpful to everyone.

[Recommended course: JavaScript Tutorial]

What is a JS file?

JS files refer to text documents containing lines of JavaScript code. When users need to find JavaScript code from the js file in the web server to implement the functions on the web page, the web page will reference these JavaScript codes. It features closing or opening web browser windows or tabs, mouseover, form validation sequences, and more. These JavaScript codes can also be used to create drop-down boxes with interactive functions, etc. They are usually imported into the or section of HTML. JS files are useful when using the same JavaScript code in multiple web pages because they allow different pages to reference code from an external JS file.

#How to open a .JS file?

Double-click to start the js file. If the file association is set correctly, you can directly use the software associated with it to open it. If you have the correct application on your computer but it is not associated with the js file, in this case, when you open the js file, Windows will pop up a dialog box asking you to select the correct application to open it.

Commonly used software to open js files are:

Microsoft Visual Studio

sublime text

Adobe Dreamweaver CC 2019

Text Editor

Web Browser

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