The !DOCTYPE is an instruction to the web browser about what version of HTML the page is written in. The !DOCTYPE tag does not have an end tag. It is not…

Cleaner markup than earlier versions of HTML Additional semantics of new elements like header, nav, and time

HTML5 is the next version of HTML 4.01, XHTML 1.0 and DOM Level 2 HTML. Its aim to reduce the need for proprietary plug-in-based rich internet application…

A web worker is a JavaScript which runs in the background.

A Manifest file is a simple text file that tells the browser what to cache and what not to cache.

Session Storage object stores the data only for one session while local Storage object stores the data without an expiry date.