According to the most recent statistics posted on
w3techs.com, more than 89% of websites currently use JavaScript as a
client-side programming language. As a cross-platform and lightweight
programming language, JavaScript coding makes it easier for programmers to build
responsive websites and web applications that work with seamlessly with popular
web browsers, operating systems and devices. It is also widely used by
programmers as part of the web browsers to accomplish important tasks like
browser control, user interaction, and asynchronous communication.
Also, the programmers have option to use JavaScript as a
server-side scripting language through Node.js and similar runtime environment.
At the same time, they also can use a variety of open source frameworks to
reduce the amount of time and effort required for building JavaScript
applications. It can also be used along with HTML5 and CSS for creating web
applications and games. So you can always consider using JavaScript as a
dynamic client-side programming language for building large scale web applications.
Advantages of Using JavaScript for Large Scale Web
Application Development
Supported by Major Web Browsers
JavaScript is supported by most of the widely used web
browsers including Firefox, Chrome, Internet Explorer, Safari and Opera. It is
also supported by the new web browsers whose vendors have implemented
JavaScript. So the users can access the web applications using JavaScript
regardless of their choice of web browser. They also have option to access all
functionality of the website by enabling the scripting language if it is
disable due to some reason.
No Need to Use Any Specific Tools
JavaScript is an interpreted programming language. So you
can easily write the code without using any specific tool or program. You can
simply open a notepad, and start writing JavaScript code. Also, you have option
to use a number of editors to identify the mistakes in the code. The editors
colorize or reformat the script to make it easier for users to identify the
errors.
Option to Reuse the Code
You can further reuse the JavaScript code across multiple
pages simply by placing the code in separate files. After placing the code in a
separate file, you have to save the file with.js extension. The file can be
linked to multiple web pages by using the <script> tag to the HTML code
of the page. The option enables you to avoid writing additional code while
adding the same functionality to various parts of the website.
Many Libraries and Frameworks
You have option to reduce the time and effort required for
building large JavaScript applications by using several frameworks and
libraries. Many programmers prefer using dynamic JavaScript frameworks like
AngularJS, Backbone, Ember and React. However, you still have option to choose
from a long list of JavaScript libraries according to your specific needs. For
instance, you can effectuate GUI development using widgets like DHTMLX,
Bootstrap, jQuery UI, DojoWidgets or AngularJS. Likewise, you use popular
template systems like jQuery Mobile, Handlebars, Mustache and Cascade Framework.
Comparatively Faster
As noted earlier, JavaScript is a client-side scripting
language. So the code is executed on user's system. As the code is executed
without any server interaction, the processing is done at a comparatively
faster. The faster processing enables the web application to keep the users
engaged by delivering richer browsing experience.
Deliver Updated Response Data from the Server
JavaScript further uses the Xml Http Request API for data
retrieval. The API sends HTTP or HTTPS requests to the web server, and load the
response sent by the server in the script. The script can easily update the
current web page based on the response data received from the server without
reloading a new web page. So you can boost the web application's performance by
providing updated information to the users without reloading the web page
completely.
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