Javascript – powering the internet since 1995

Javascript is a programming language that is used to implement dynamic and interactive elements on websites and web-based software. Along with HTML and CSS, it’s one of the core technologies with which the World Wide Web is constructed.

It was invented in 1995 and released with Netscape 2.0 in 1996. In the 27 years since its launch, Javascript has grown to become the world’s most popular and most commonly used programming language and is used in around 98% of all websites.

Modern websites are built in three layers: HTML is used for the basic structure of websites – defining elements like paragraphs and headings, and embedding images and videos. As the second layer, CSS applies styling to the HTML content, such as colours and fonts, and arranging content in columns. Javascript is the third layer, allowing for dynamic updates to the content, animating images and more.

Why Netgen uses Javascript

It’s everywhere – It’s the most commonly used programming language, and is used in nearly every website on the internet. It’s also a huge part of mobile app development because languages like React Native rely heavily on Javascript.
Multipurpose – There are many different uses for this language. It can be used to enhance websites, create web applications and browser games, and manage web-based software.
Speed and efficiency – Javascript is a client-side language. This means that your browser on your device processes the code rather than having to pull from the host server. This makes everything much faster.
Interoperability – It’s widely supported and can be implemented in any web page or web-based software and used on any device – desktop or mobile.
Necessity – Dynamic, interactive websites and web-based software have become the standard. Without Javascript, it wouldn’t be possible to create programs with the same visual impact and user experience.

What can Javascript do?

Javascript can open PDFs, run widgets and load content on a web page without the entire page having to be refreshed. For example, when submitting a query in Google’s search bar, Javascript is what allows recommended search terms to appear while you type.
Web applications like Netflix and Paypal were created using a framework based on this language.
Web-based games can be developed using Javascript and HTML.
It can even be used to create mobile apps without any online content.
When you change the size of your browser window, Javascript allows the size of the content to change along with it – making web-based software responsive to screen size.
It’s used to validate that the information entered in online forms is in the correct format, and that all necessary fields have been filled.
What we may consider as basic functionality, like the autocomplete function in modern browsers, the ability to zoom in and out on images, drop-down menus and image carousels, are all powered by Javascript.

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