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JavaScript: The Company use cases

Sri Vishnuvardhan A
A Tech Enthusiast who loves to learn & integrate multiple technologies and keen to find the innovative solution of it to solve the existing challenges!!
・2 min read

JavaScript is high-level, often just-in-time compiled, and multi-paradigm. It has curly-bracket syntax, dynamic typing, prototype-based object-orientation, and first-class functions.

Out of over 1.6 billion websites on the Internet, JavaScript is used in 95% of them.

Common examples of JavaScript uses and applications include:

  • Presentations
  • Web Development
  • Server Applications
  • Web Applications
  • Games
  • Mobile Applications



Microsoft needs to work closely with JavaScript to built its Edge web browser.All browsers want to process and execute JavaScript efficiently, so Microsoft has advanced and keeps its personal JavaScript engine for Edge



PayPal has manifestly been the usage of JavaScript at the frontend in their internet site for a protracted time, that’s only the beginning.

The online payment giant was one of the earliest adopters of NodeJS. During an overhaul in their account evaluate web page, they determined to attempt constructing the web page in Node on the equal time as their standard Java development.



Uber wants to handle loads of data in real time. They have a millions of requests coming continuously, and that’s not just hits on a page. Uber wants to track driver locations, rider locations, and incoming ride requests.

It has to seamlessly sort that data and match riders as rapid as possible.



LinkedIn is predicated on NodeJS for its mobile web website online. A few years back, LinkedIn used Rails for its mobile web website online. As with different different huge Rails applications, it become slow, monolithic, and it scaled poorly.

LinkedIn converted to NodeJS to clear up its scaling problems. Node’s asynchronous abilities allowed the LinkedIn mobile web website online to carry out extra fast than earlier than at the same time as the usage of fewer resources.

These are some of the companies which uses Javascript for their various purposes especially User Interface part. But it is not limited to this much companies, more than a million.

Hope this article insightful to you to know about Javascript and its real life use cases. Have a good day!!

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