JavaScript was created by the former Netscape Communications Corporation, which also created the Netscape browser, which was one of the first browsers designed to navigate the World Wide Web in the mid-1990s. However, in the late 1990s, the Web was just getting started, and Netscape gradually captured 90% of the market before succumbing to Microsoft's Internet Explorer at the turn of the century. JavaScript became and continues to be the gold standard for Web application development because it was the de facto language used by Netscape for client-side scripting. If you want to learn the language today, there is a wealth of literature and programmes available. In this blog, we will discuss 6 Essential JavaScript features you should learn. Join Javascript Training Institute in Chennai. It offers advanced certification training and 100% job placement assistance.
JavaScript (abbreviated JS) is a multi-paradigm language that supports event-driven, functional, and object-oriented programming styles. It does not provide any I/O, storage, or networking capabilities on its own, but instead borrows them from the host environment. It makes use of text, arrays, dates, regex, and the DOM APIs. Although it initially started off as an embedded engine in web browsers on the client-side, it is now also found on the server-side. Every major web browser includes a JavaScript engine for running JS code.
Language Features
Dynamic typing
Types in JS can be changed dynamically, just like in other scripting languages. The type is linked to a value rather than an expression; for example, a variable assigned to a Number could be reassigned to a String.
Form checks and calculations
JS is excellent at form validation. Before sending the page to the server, JS checks as a client-side scripting tool to see if the user has left a form field blank or entered an incorrect value. It can also perform basic calculations on the client-side browser rather than having the server allocate time for them.
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Thin or thick client
A thin client is a client-server architecture that is functionally light on processes. This means that the server handles the majority of the processing. Instead of being completely dependent on the web-server, JS gives the browser (clients) a lot of control. It can even provide browsers with additional functionality to navigate network traffic via load balancing.
Platform independence
Because JS is an interpreted language, it does not require a compiler to be compiled into machine code. Browsers can easily interpret it, and it can run on any platform, including Windows, Mac, and Linux.
Date and time handling
Unlike other programming languages, JS has built-in functions for obtaining Date and Time values. The library includes methods such as getHours(), getMinutes(), getDate(), and many more.
Dynamic code generation
On certain system events, HTML can be generated dynamically using JS. For example, JS provides a plethora of events for handling the mouse, such as onClick, onMouseMove, and onMouseover. When the event takes place, JS could execute code to add text, links or images.
Conclusion
This extensive blog has covered everything Power BI Developer: Important Insights and Trends. The JavaScript features outlined in this article are just a few of the many available and are intended to help you get started with the language. JS is a simple language to learn and is widely used for web scripting. Begin with client-side programming before moving on to server-side. Your life will also be made easier by the extensive online documentation and support. Join Javascript Coaching in Bangalore at FITA Academy will assist you in acquiring the necessary skills and project requirements.
