These are just a few examples of the JavaScript programming language at work. Some web pages might even show nothing but a blank page. When it is disabled, some web applications can break and some browsers won’t run as expected. JavaScript is also responsible for the ads, cookie warnings, and pop-ups you keep seeing on the web pages you visit.

Once you do, the form will be submitted successfully. If you have forgotten to fill out any of the required fields, like your email address, a warning will pop up on your screen, requesting that you fill out that field. When you submit the form, JavaScript code runs, checking each of the fields on the form. Usually, in a mailing list subscription form on a web page, there are several fields for you to provide certain information, like your name and email address. Basically, JavaScript makes web pages interactive.įor instance, it allows your Facebook and Twitter timelines to update automatically, without requiring you to reload or refresh the page. JavaScript is a scripting programming language that website developers use to create dynamic content. Most people don’t know this, but to experience the full functionality of your favorite browser, you need to have JavaScript enabled. In this tutorial, we show you how to enable JavaScript in Windows 10.

Download java script for windows 10