"JavaScript and Industrial Use Cases"
Hello Guys,
Today we are going to discuss most important Client side Scripting Language called as JavaScript. There are many or almost every MNC using JavaScript Now-a-days. We are going to see "How Netflix use JavaScript"...
Have a great reading ahead...
What is JavaScript ?
JavaScript is a dynamic computer programming language. It is lightweight and most commonly used as a part of web pages, whose implementations allow client-side script to interact with the user and make dynamic pages. It is an interpreted programming language with object-oriented capabilities.
JavaScript was first known as LiveScript, but Netscape changed its name to JavaScript, possibly because of the excitement being generated by Java. JavaScript made its first appearance in Netscape 2.0 in 1995 with the name LiveScript. The general-purpose core of the language has been embedded in Netscape, Internet Explorer, and other web browsers.
- JavaScript is a lightweight, interpreted programming language.
- Designed for creating network-centric applications.
- Complementary to and integrated with Java.
- Complementary to and integrated with HTML.
- Open and cross-platform
Client-side JavaScript is the most common form of the language. The script should be included in or referenced by an HTML document for the code to be interpreted by the browser. It means that a web page need not be a static HTML, but can include programs that interact with the user, control the browser, and dynamically create HTML content. The JavaScript client-side mechanism provides many advantages over traditional CGI server-side scripts.
Advantages of JavaScript
The merits of using JavaScript are −
- Less server interaction − You can validate user input before sending the page off to the server. This saves server traffic, which means less load on your server.
- Immediate feedback to the visitors − They don't have to wait for a page reload to see if they have forgotten to enter something.
- Increased interactivity − You can create interfaces that react when the user hovers over them with a mouse or activates them via the keyboard.
- Richer interfaces − You can use JavaScript to include such items as drag-and-drop components and sliders to give a Rich Interface to your site visitors.
JavaScript Implementation : JavaScript can be implemented using JavaScript statements that are placed within the <script>... </script> HTML tags in a web page.
You can place the <script> tags, containing your JavaScript, anywhere within your web page, but it is normally recommended that you should keep it within the <head> tags.
The <script> tag alerts the browser program to start interpreting all the text between these tags as a script. A simple syntax of your JavaScript will appear as follows.
Top Companies Using JavaScript :
- Microsoft
- Uber
- Ebay
- Groupon
- Netflix
- Paypal
- Walmart
How Netflix use JavaScript :
You all must be surfing Netflix Everyday, but have you ever thought that what is the thing which makes it's User Interface so Interactive and Dynamic...
If you don't know or never thought of it let's discuss about that Client side Language which helps Netflix achieve these things. It's none other than JavaScript.
Netflix is the world’s supplier of flowing broadcast and television. Netflix is the world’s top supplier of flowing broadcast and television. The company decided to embrace fast and easy Node.JS.
Earlier, Netflix was using Java on the back end and JavaScript on the front end, which required the developers to be proficient with languages.
As a result, they had to do double work for error handling, activity tracking, and debugging.
Netflix is now among companies using Node.JS due to the following reasons:
- A common language both for the server-side and browser side.
- High performance – now the page loads within seconds.
- A great number of modules and their open source nature.
- An easy way of writing, debugging, and engineering the API.
Trello
Trello is a project management tool trusted by 25 million people worldwide. It needs to rely on event-driven technology that can handle many open connections at a time. Trello is among companies that use Node.js for its server-side and as a prototyping tool to build a single-page web application.
"The server side was built with Node.js. Node.js was helpful when the company was templating a tool for a one-page application. By the time the company had finished the prototype, they decided to stick with Node also at the server side of the application."
These are the words written in the Node.js Comany Blog...
We have seen a great overview of how JavaScript is used by Netflix. It is a great Language to be worked on...
Thank you Guys for giving it a read ....
Stay tuned for next Article......