What is HTML ?
HTML stands for Hyper Text Markup Language.It is a language for describing web-pages using ordinary text. HTML is easy to learn.HTML elements are represented by tags.
HTML documents start with a document type declaration: <!DOCTYPE html>.
HTML begins with <html> and ends with </html>.
<br> is an empty element .
Empty elements can be closed in the opening tag like this: <br />.
Example
<!DOCTYPE> <html> <body> <h1>Hello World</h1> </body> </html>