JavaScript and HTML5 for Websites: Pros and Cons

Coming up with a good website requires some thorough work. One of the things you have to do is choose a proper programming language. JavaScript and HTML5 are some of the most popular ones at the moment.

Popular sites using JavaScript or HTML5 include The Geek Designer, Nedbase, Quartz, and Nouvelle Vague. 888 casino NJ is the latest entry in the list of websites using this technology. Both JavaScript and HTML5 have their advantages and disadvantages. Here are some of them.

Pros of JavaScript

The following are the advantages of JavaScript.

It is Fast to End Users

It is a client-side script, which makes it run very fast. This is because it reduces the time needed to connect to a server. It saves the time that may be used by other programming languages for collection.

JavaScript does not require the support of web servers for execution. Once the script is being executed from the user’s side, the results are completed immediately. This may depend on the task. A perfect example is how you can prove any input by the user then send a request to the server. This reduces the load on the server.


This programming language is simple to understand and use. JavaScript uses Document Object Model (DOM), a popular programming interface for XML and HTML documents. DOM model offers a variety of already written functionalities to different objects on pages, which makes it easy to create a script to fix a custom function.


JavaScript works well with several other languages and can be used in a wide range of applications. It can be used for both front-end and back-end development. You can use it through Node.Js servers, ideal for back-end development, and React JS or Angular JS for front-end development. Developing an app using JavaScript from front to back is possible.


The following are the disadvantages of JavaScript.


JavaScript may pose security issues on the client-side because the code is visible to users. Some people can use it for malicious reasons. This makes it easy to include codes that can affect the security of a specific website.

Browser Support

Different browsers can interpret JavaScript in their ways. JavaScript can also be rendered differently in several layout engines. This will result in a lack of consistency when it comes to interface and functionality. The trick is to test your scripts in different types of browsers to check if they can support your code.

Downloadable File

The JavaScript file is downloadable on the client machine which makes it easy for anyone to read the code and reuse it again.

Pros of HTML5

The following are advantages of HTML5

It is Cross-Platform

HTML is a cross-platform language that can work on any device. It works the same for those who access a website using various devices such as laptops, smartphones, and tablets. Use a browser that supports HTML5 for it to work as required.

Supports Video and Audio

The CANVAS element in HTML5 makes it easy for you to run a variety of things through your website that previously required another software or application. You can include videos, generate graphics, and include online games.


There is consistency when it comes to user experience in HTML5. This is despite different versions of the programming language and the increasing number of people who are using it. Developers can understand each other better when using it.


The following are the disadvantages of HTML5.

Browser Support

One of the biggest disadvantages of HTML5 is that it is only supported by modern browsers. Accessing it through older browsers like the internet explore may prove to be somewhat difficult. This may be not very good for business on several occasions.

Regular Changes

HTML5 is considered as a work in progress because of the unexpected changes. You should stay up to date with these changes to reduce the chances of your website being rendered useless.

About the author

Editorial Staff

Add Comment

Click here to post a comment