JavaScript is a client-side, object-based scripting language that is used to control and verify client-side data. JavaScript, earlier known as LiveScript, has been developed by Netscape and Sun Microsystems. JavaScript is a failure, described programming language. It is created for building network-centric applications. It is complementary to and combined with Java. JavaScript is easy to achieve because it is integrated with HTML.
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Hello World using Javascript

Just to give you a little excitement about Javascript programming, Here we are going to give you a small Javascript Hello World program.

There are many useful Javascript frameworks and libraries available:
• Angular
• Ember.js
• Node.js
• React
• Mithril
• jQuery
• Polymer
• Aurelia
• Vue.js
• Ext.js
• Meteor
• Backbone.js
It is difficult to provide a whole listing of all the possible Javascript frameworks and libraries.

Applications of Javascript Programming

Javascript is one of the most extensively used programming languages. It has its appearance in nearly every area of software development. I’m going to list a few of them here:
• Client-side validation - This is crucial to support any user information before presenting it to the server and Javascript performs an essential role in validating those inputs at the front-end itself.
• User Notifications - We can apply Javascript to build effective pop-ups on the webpages to provide various kinds of information to your website visitors.
• Manipulating HTML Pages - Javascript benefits in manipulating HTML pages on the fly. This assists in calculating and removing any HTML tag very quickly using javascript and adjust your HTML to improve its appearance and respond based on various methods and conditions.
• Back-end Data Loading - Javascript implements Ajax library which benefits in loading back-end data while you are making some other processing. This gives an unusual experience to your website companies.
• Presentations - JavaScript can present the facility of creating presentations that give the website a look and taste. JavaScript presents RevealJS and BespokeJS books to build a web-based slide presentation.
• Server Applications - Node JS is created on Chrome’s Javascript runtime for creating secure and scalable network applications. This is an event-based library that helps in producing very complex server forms including Web Servers.

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