JavaScript online tutorial

 

JavaScript

JavaScript is a type of scripting language that is used on both client-side as well as a server-side. It is developed in the 1990s for the Netscape Navigator web browser. It allows programmers to implement complex features to make web pages alive. It helps programmers to create dynamic websites, servers, mobile applications, animated graphics, games, and more. JavaScript is an object-based scripting language which is lightweight and cross-platform.

Features of JavaScript

There are following features of JavaScript:

• All popular web browsers support JavaScript as they provide built-in execution environments.
• JavaScript follows the syntax and structure of the Java programming language. Thus, it is a structured programming language.
• JavaScript is the world's most popular programming language.
• JavaScript is the programming language of the Web.
• JavaScript is easy to learn.
• JavaScript is an object-oriented programming language that uses prototypes rather than using classes for inheritance.
• It is a light-weighted and interpreted language.
• It is a case-sensitive language.
• JavaScript is supportable in several operating systems including, Windows, macOS, etc.
• It provides good control to the users over the web browsers.

JavaScript Advantages

Following are the advantages of JavaScript −

• The JavaScript Simple programming languages JavaScript is simple to comprehend and pick up. 
• The JavaScript Interoperability programming languages.
• The JavaScript save the of execution. JavaScript is a "interpreted" language where JavaScript is hosted, it is always run in a client environment to reduce bandwidth usage and speed up execution.
• The JavaScript  programming languages Server Load.

JavaScript Disadvantages

Following are the disadvantages of JavaScript −

• The JavaScript Cannot Debug  the developer has a difficult time figuring out the issue because the browser doesn't display any errors.
• The user can see the JavaScript code; it could be misused by others. it is very simple to insert code into the website that impair the security of data transmitted via the website.
• The JavaScript does not support multiple inheritance; only one inheritance is supported. 
• The JavaScript  Depending on the browser, JavaScript is interpreted differently. Therefore, before publication, the code needs to run on various platforms. We also need to check the older browsers because some new functions are not supported by them.