HTML full form is Hyper Text Markup Language. HTML is the core markup language for making web pages. HTML creates the structure of web pages.

Div tag of HTML stands for division. The short form is div. Div tag of HTML group your other tags such as h1 tag and p tag etc. You can say it is a container that contains other tags.

There is an attribute called disabled which disables your button. It takes a boolean value e.g true or false.

There are three HTML button types. 1. button 2. submit 3. reset

There is no built-in tag in HTML 5 that centers the text in HTML, but we can achieve this with CSS.

HTML space code( ) is a reserved keyword of HTML for giving space between words. It is also called a non-breaking space.

The HTML line break(<br/>) tag is used to break the line. The text after <br/> will start at the new line.