Creative Technocrayts

Onbeforeunload function in javascript When you have filled up a form in a web page and if you  close the page before submitting it You may get a message " Are you sure to leave this page?" Such customized messages are examples of window events onbeforeunload

HTTP stands for Hyper Text Transfer Protocol. HTTP is an application protocol for distributed and collaborative information systems. HTTP is the foundation of data communication for the World Wide Web.