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Introduce The JavaScript :-
- JavaScript is a scripting language, primarily used on the web. It is used to enhance the html pages.
- It is developed by Brendan Eich at Netscape to enable web authors to design interactive sites in September 1995.
- It can be enhance the dynamic and interactive features of your page by allowing you to perform calculation, check form, special effects, etc.
- JavaScript is a object based scripting language whose interpreter is embedded inside the web browser software.
- such as Microsoft, Mozilla Firefox, Opera and Safari.
- JavaScript is also known as client-slide scripting language.
Features Of JavaScript :-
- JavaScript is a interpreted programming language.
- JavaScript is a lightweight.
- JavaScript is a scripting language and it is not java.
- JavaScript is a case sensitive.
- JavaScript is a open and cross-platform.
Version Of JavaScript :-
Note:- The different types of versions of JavaScript and ECMA their supported browser.
JavaScript has specification and serval dialects :-
- ECMAScript :- This is a official name of the JavaScript language specification, the ECMA-262 specification.
- JavaScript :- JavaScript was implemented in Netscape. The originating dialect of the ECMAScript language specification.
- LiveScript :- The predecessor of JavaScript. LiveScript was renamed to JavaScript in Netscape 3.0.
- JScript.NET :- The successor of JScript under Microsoft's.NET framework.
Advantages And Disadvantages Of JavaScript :-
- Advantages Of JavaScript :-
- Speed
- Simplicity
- Server Load
- Easy To Debug
- Lightweight
- Interpreted
- Disadvantages Of JavaScript :-
- Security
- Client Side JavaScript
- JavaScript does not have any multithreading
- Does not have multi-processing capabilities.
Tools Of JavaScript :-
- Visual Studio Code
- Sublime
- Notepad++
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