JavaScript Certification Exam

JavaScript Certification Exam

Exam Cost: USD 30.00

Benefits of LoopSkill Certification

You will become Internationally Certified JavaScript Developer.

Backed by 5000+ Companies this Certification will provide you Great Job Opportunities.

The median salary for a JavaScript Job Profile is $90,000 -

Exam Cost: USD 30.00

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What Is JavaScript?

JavaScript, also known as JS, is a scripting language developed by Sun Microsystems. It complies with the ECMAScript standard. JavaScript is a multi-paradigm, just-in-time compiled high-level language. It has a curly-bracket syntax, dynamic typing, prototype-based object-orientation, and first-class functions.

JavaScript, along with HTML and CSS, is a foundational part of the World Wide Web. Client-side scripting is used by over 97% of websites, often with third-party libraries. Most web browsers have a JavaScript engine to run the code on the user's device. Event-driven, functional, and imperative programming styles are all supported by JavaScript because it is a multi-paradigm language. You can use the Document Object Model and APIs to work with text, dates, regular expressions, and standard data structures.

Input/output facilities like networking, storage, or graphics are not included in the ECMAScript specification.. JavaScript I/O APIs are typically provided by the web browser or another runtime system. While JavaScript engines were once restricted to web browsers, they are now found in a wide range of other software systems, including servers and a wide range of applications. JavaScript supports event-driven, functional, and imperative programming styles as a multi-paradigm language. Text, dates, regular expressions, standard data structures, and the Document Object Model are all supported through application programming interfaces.

There are no input/output facilities in the ECMAScript standard, such as networking, storage, or graphics. In practise, JavaScript APIs for I/O are provided by the web browser or another runtime system. JavaScript engines were once only found in web browsers, but they are now found in a wide range of software systems, including servers and a wide range of applications. With 97 percent of websites using it for client-side scripting, JavaScript is the most popular client-side scripting language on the Internet. Scripts interact with the DOM and are embedded in or included from HTML documents. The vast majority of Android browsers, as well as all iPad browsers, have a built-in JavaScript engine that executes the code on the user's device.

Ajax or a WebSocket are used to load new web page content without reloading the page. Users of social media platforms, for example, can send and receive messages without leaving the current page.


Salary Range of JavaScript Developer

Depending on the experience level and the demographic area, the salary of a JavaScript developer varies widely.

The following is the average JavaScript Developer Salary in USA:

Best Minds In JavaScript$150,000
Senior JavaScript Developers$ 100,000
Intermediate JavaScript Developers$ 80,000
JavaScript Freshers$ 50,000


The following is the average JavaScript Developer Salary in India:

Best Minds In JavaScriptINR 100,000
Senior JavaScript DevelopersINR 70,000
Intermediate JavaScript DevelopersINR 50,000
JavaScript FreshersINR 30,000


What Is JavaScript Certification?

JavaScript Certification assesses a person's knowledge of the programming language as well as their understanding of programming concepts. A variety of certifying authorities, ranging from government agencies to commercial enterprises and organisations, offer the JavaScript certification. Certifications are normally obtained by the completion of an online or offline exam.

All certificates have their own set of benefits, such as international recognition, career opportunities, freelancing, and so on. So, JavaScript certification is an online exam that evaluates a developer's skills and knowledge in order to match them with the suitable opportunities.


Why should you take this Online JavaScript Certification?

The online JavaScript certification from Loopskill will assist you in becoming a certified developer. You can take this exam and by scoring 70% you will become an internationally certified JavaScript developer. This certification will help you in three different ways:

  • You can demonstrate your JavaScript certification to potential employers and can stand out of the crowd.
  • You can apply for great jobs using loopskill website or app; moreover, our partners companies will contact you directly for full-time or part-time opportunities depending on your skills & requirements.
  • Loopskill is not just a platform to get certified or to find full time jobs; here being a certified developer you can also do freelancing for the clients around the globe. You will be approached by the clients who need your help in building some web based platform or some app based platform.

The loopskill’s online JavaScript certification is created to help people in exploring and achieving their full potential so they can get connected to the best opportunities around the globe.


Few Of The Best Websites Using JavaScript:

JavaScript is utilized by over 10,000,000 websites worldwide. Here are a few examples of high-traffic websites that rely heavily on JavaScript:


Advantages of JavaScript Language for Developers

JavaScript has various benefits for developers; a few of the most important benefits of using JavaScript are given below.

  • Compared to other programming languages like Java, JavaScript is quicker to compile because it is a 'interpreted' language. A client-side script, JavaScript, speeds up programme execution by avoiding the time spent connecting to the server.
  • JavaScript is simple to grasp and use. Both users and developers will appreciate the structure's simplicity. For web developers, this is a huge time saver and allows them to spend less money developing dynamic web content.
  • Since JavaScript is supported by all current browsers, it can be found almost anywhere. Everyone from Google to Amazon to PayPal relies on JavaScript.
  • Because JavaScript integrates seamlessly with other programming languages, it's the language of choice for many programmers. Any webpage or script written in another programming language can contain it.
  • Because JavaScript is client-side, data can be validated in the browser rather than sent to the server. The entire website does not have to be reloaded if there is a problem.
  • Using JavaScript, web designers and developers can create eye-catching webpages quickly and easily. Websites with drag-and-drop elements or sliders may have a more appealing user interface. This leads to improved user-interactivity on the webpage.
  • Due to recent advancements in JavaScript, it can now be used both on the front end and the back end of websites. NodeJS is used for back-end development, while libraries like AngularJS, ReactJS, and others assist with front-end development.
  • JavaScript reduces the amount of code on websites and web applications, making them run faster. The codes are lighter because they make use of built-in functions for loops, DOM access, and so on.

There are several other advantages to learn JavaScript and adopt it for your next website or app development project.


Important Topics to Learn & Master in JavaScript

If you wish to become a JavaScript master, the topics listed below must be covered.


  • Overview of Web and Internet
  • Differnece between Languages and Scripts
  • Client side and Server side Programming
  • What is HTML?
  • Versions of HTML
  • Structure Of HTML
  • How html content is transferring data between browser and server
  • Types of Webpages
  • Introduction To Doctypes


  • Types of tags
  • Explanation about html, head and body tags
  • Input controls and attributes
  • How to divide web page with div tag
  • Formating Tags
  • Link Tags
  • How to create order list and unordered list
  • Table tag
  • Form tag
  • Frame Tag
  • How to provide Meta key words
  • What is Meta Description?


  • What is attribute?
  • Attributes of html controls


  • What is event and how to use?
  • Dynamic html with events


  • What is style object?
  • Properties of style
  • Applying styles to elements
  • Changing style properties with events

Advanced HTML

  • How to embed the external plug-in in html document
  • How can we display videos on browsers using html tags?
  • How to embed external web pages in html page
  • Resolving cross browser issues.
  • What is new in HTML5?



  • What is CSS?
  • Advantages of CSS
  • Why CSS?
  • Syntax and Anotomy of CSS

Types of Stylesheets

  • External style sheet
  • Internal style sheet
  • Inline style

Types of Selectors

  • Global
  • Class
  • Id
  • Grouped
  • Descendant

Div’s & Span tags

  • Background
  • background-color
  • background-image
  • background-repeat
  • background-attachment
  • background-position


  • font-family
  • color
  • font-size
  • font-style
  • font-variant
  • font-weight


  • letter-spacing
  • Word-spacing
  • line-height
  • text-decoration
  • text-transform
  • vertical-align


Introduction to javascript

  • Introduction of client side script
  • Introduction of javascript
  • Cross browser issues.
  • Declaration syntax of javascript
  • Statements
  • Comments
  • Popup Boxes
  • Alert
  • Confirm
  • Prompt
  • Variables, Arrays and Operators
  • Variables
  • Operators
  • Arithmetic
  • Assignment
  • Comparison
  • Logical

Document object model

  • Functions and types
  • Conversion functions

Conditional statements

  • if
  • if…else
  • if…else if…else
  • Switch


  • while
  • do…while
  • for
  • for…in Statement
  • Break
  • Continue

Window object Document object Arrays

  • Associative Arrays
  • Array Properties and Methods

Advanced JavaScript

  • Date object
  • This object
  • Event object
  • State managament
  • Cookie
  • Form validation
  • Expressions
  • Email validation
  • Dynamic functionalities of html controls


Future of JavaScript Developer

JavaScript already have several inbuilt features which can help you in creating the scalable web or app based platform. The future of JavaScript developers is bright because JavaScript will integrate capabilities like as autoloading, security, routing, caching, and better exception handling to create a robust framework. JavaScript is a well-established player in the market. It holds the top spot among all web application frameworks, a status that will surely maintain. Until 2021 and beyond, JavaScript's future is one of uninhabited and augmented growth. As a result, the number of developers who join this framework and the number of websites built with JavaScript will undoubtedly rise, raising the average developer wage. So, if you're just getting started in programming, JavaScript can be one of the best programming languages to start with.


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JavaScript Certification Exam JavaScript Certification Exam
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