Explain javascript merits and demerits of it.

Java Script:

- JavaScript is the most popular scripting language on the internet, and works in all

   major browsers, such as Internet Explorer, Firefox, Chrome, Opera, and Safari.

- JavaScript is a language that is used to make web pages interactive.

- JavaScript was designed to add interactivity to HTML pages.

- JavaScript is a scripting language.

- A scripting language is a lightweight programming language.

- JavaScript is usually embedded directly into HTML pages.

- JavaScript is an interpreted language.

- Everyone can use JavaScript without purchasing a license.

- Using JavaScript user can add events on your website.

- Using JavaScript user can check the data before it is submitted to the server.

What can a JavaScript do?

·        JavaScript gives HTML designers a programming tool

·        JavaScript can put dynamic text into an HTML page

·        JavaScript can react to events

·        JavaScript can read and write HTML elements

·        JavaScript can be used to validate data

·        JavaScript can be used to detect the visitor's browser

·        JavaScript can be used to create cookies

Advantages of the Javascript:

-         Speed.

-         Easy to use.

-         Versatility.

-         Reduce server Load.

-         Javascript validation.

-         Dynamic Image Effect.

Disadvantages of the Javascript:

-         Security.

-         Reliance on End User.

-         Extending Coding.

-         Reduces Search Engine Friendliness.