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The Good And The Bad Of Javascript

Reading Time: 4 minutes

JavaScript has been on the market for more than 20 years, and as per recent reports, it is the most popular programming language for website development, being used by about 10 million developers worldwide and currently being used by more than 94 percent of all websites. Programmers can build large-scale web applications through simplified processes by using javascript.

JavaScript is a client-side programming language. Server-side code can also be written using cross-platform runtime engines like Node.js. Developers can create web pages that work smoothly across various platforms, browsers, and devices by combining JavaScript, HTML5, and CSS3. JavaScript has many frameworks available (AngularJS, ReactJS, NodeJS, etc.), which reduce the time and effort required for developing JS-based sites and apps. Some of its major benefits are listed here.

  • Cross-Browser Compatibility

Javascript is supported by multiple web browsers like Google Chrome, Internet Explorer, Firefox, Safari, and Opera, etc. As a result, users can easily access the web applications using any web browser of their choice.

  • Speed

Client-side JavaScript is very fast since it can be run immediately within the client-side browser and has no need to be compiled. JavaScript is not bothered by network calls to a backend server unless there is a need for outside resources.

  • There is no special tool required.

You can write the JavaScript code easily without using any particular type of program or tool. You can just open a notepad and write your JavaScript code. You can use many editors to find out the mistakes in the JavaScript code. The editor reformats the JavaScript code and allows you to discover the bugs and errors quickly and easily.

  • Simplicity

JavaScript is relatively simple to learn and implement. It simplifies the development of complex web applications by allowing the developers to simplify the application’s composition. The developer can use JavaScript libraries to create DOM boundaries. This shadow DOM further makes web browsers deliver documents with widely used HTML tags like select, div, and input.

  • Learning Resources and Help available

JavaScript is used everywhere and has gained a lot of traction in the industry in recent years, especially. The resources to learn JavaScript are numerous. StackOverflow and GitHub have many projects that are using Javascript.

  • No Server Load

Being client-side reduces the demand on the website server.

  • Responsive Web Design

Responsive web designs are made to work well across multiple browsers and devices like smartphones and desktops. Responsive web design enables the developers to optimize the site for both computers and mobile devices using the same code. The developers have to combine the CSS3, HTML5, and JavaScript to make the web pages responsive. The developers can use JavaScript to optimize web pages for mobile devices. Drag and drop components or sliders give a rich interface to websites.

  • Extended Functionality

Third-party add-ons like Greasemonkey enable JavaScript developers to write snippets of JavaScript that can be executed on desired web pages to extend its functionality.

  • Versatility

Nowadays, there are many ways to use JavaScript through Node.js servers. If you were to bootstrap node.js with Express, use a document database like MongoDB, and use JavaScript on the front-end for clients, it is possible to develop an entire JavaScript app from front to back using only JavaScript.

  • Updates

EcmaScript5 is the scripting specification on which JavaScript relies, and Ecma International has dedicated it to updating JavaScript annually.

  • Many frameworks and libraries

JavaScript frameworks and libraries make it easy for web developers to build large, JavaScript-based web applications. There are many dynamic JS frameworks like AngularJS, ReactJS, EmberJS, etc. Using these frameworks, developers can easily, quickly, and efficiently develop highly interactive and professional-looking web applications. JavaScript also has lots of libraries, which you can use as per your requirements. For example, you can do GUI development using widgets like Bootstrap, jQuery, or AngularJS.

  • WordPress themes and plugins

Many of the WordPress themes and plugins make extensive use of JavaScript.JavaScript also comes bundled with WordPress in the form of various JavaScript libraries, such as jQuery, JSON, Backbone.js, and Underscore.js. Hence, if you know JavaScript, you can understand, customize, and use them better in your WordPress website development.

  • Google AMP Project

Google has started the Accelerated Mobile Pages (AMP) project to create websites that deliver a richer user experience across various mobile devices. Google has implemented many optimization techniques to increase the loading speed of mobile web pages, and it requires developers to integrate AMP technology into the web pages by using HTML5, CSS3, and JavaScript. This means that when optimising websites for mobile devices for AMP, developers must use JavaScript.

With all these reasons to use javascript, there are also some things that are compromised, which are the limitations of javascript.

  • Client-Side Security. Because the code runs on the user’s computer, it can be used for malicious purposes in some cases.This is one reason some people choose to disable Javascript.
  • Browser Support Problem. JavaScript is sometimes interpreted differently by different browsers. Unlike server-side scripts, which will always produce the same output, client-side scripts can be a little more unpredictable. To avoid this, the script is tested in all major browsers for an update to ensure that your code is supported by all browsers.

At PureLogics, we have expert software developers who use JavaScript to build highly interactive web apps and help our clients enhance the speed, performance, functionality, usability, and features of the application without any hassle. We deliver the best and optimal user experience across various devices, browsers, and operating systems.

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