1. A script is a list of commands that are present within the code of a website that defines how the website behaves in response to certain click requests sent by the user.
2. The programming languages in which scripts are written are called scripting languages. Few common scripting languages are VBScript, JavaScript, ASP, PHP, PERL, JSP, etc.,
3. Scripts are broadly classified into Client-Side Script and Server Side Scripts.
4. Client-side scripting languages are scripts, which are executed in the client’s browser. Some of the most popular are: HTML, CSS, XML etc.,
5. The server-side script is executed on the server and the visitor of the website can only see the result. Popular server-side scripts are PHP, Python, Perl, etc.