12-01-2020 , 01:56 AM
javascript Complete Real time - Essential Course 2020 | Udemy
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Quote:Description
Why Should you learn JavaScript ?
JavaScript has become an essential web technology along with HTML and CSS, as most browsers implement JavaScript. Furthermore, JavaScript usage has now extended to mobile app development, desktop app development, and game development. All in all, it has exploded in popularity and is now a very useful skill to learn.
The merits of using JavaScript are :
Less server interaction : You can validate user input before sending the page off to the server. This saves server traffic, which means less load on your server.
Client-side validation
Dynamic drop-down menus
Displaying date and time
Displaying pop-up windows and dialog boxes
Displaying clocks etc
Handling DOM & BOM.
Immediate feedback to the visitors : They don't have to wait for a page reload to see if they have forgotten to enter something..
Increased interactivity : You can create interfaces that react when the user hovers over them with a mouse or activates them via the keyboard..
Richer interfaces : You can use JavaScript to include such items as drag-and-drop components and sliders to give a Rich Interface to your site visitors.
JavaScript is not a programming language in strict sense. Instead, it is a scripting language because it uses the browser to do the dirty work. If you command an image to be replaced by another one, JavaScript tells the browser to go do it. Because the browser actually does the work, you only need to pull some strings by writing some relatively easy lines of code. That’s what makes JavaScript an easy language to start with.
https://www.udemy.com/course/javascript-...-UNLIMITED