HTML Elements :-
Start Tag | Content | End Tag |
<p> | This is paragraph. | </p> |
<h1> | This is heading. | </h1> |
<div> | This is division. | </div> |
HTML elements with no content are called empty elements.
Empty elements do not have an end tag, such as the <br> element which represents a line break, <hr> element which represents a horizontal rule.
Empty elements are also known as void elements.
Difference between HTML Tag and HTML elements :-
HTML elements consist of a starting tag.
If the HTML element will hold sub content within it then it will end up with an ending tag.
For example, <h1> is starting tag of a heading and </h1> is closing tag of the same heading but <h1> This is a heading </h1> is a heading element.
Nested HTML Elements :-
HTML Elements can be nested, we can write an element, before closing that element, we can start as well as finish another element within that outer element.
Example:
<!DOCTYPE html>
<html>
<head>
<title>This is a example for Nested HTML Elements </title>
<head>
<title>This is a example for Nested HTML Elements </title>
</head>
<body>
<p>This is a <u>underlined</u> paragraph.</p>
</body>
</html>
This HTML document produces following output : 
Explanation of above example -
Heading Elements :-
Example –
<!DOCTYPE html>
<html>
<head>
<title> Heading Example </title>
</head>
<body>
<h1>This is heading 1</h1>
<h2>This is heading 2</h2>
<h3>This is heading 3</h3>
<h4>This is heading 4</h4>
<h5>This is heading 5</h5>
<h6>This is heading 6</h6>
<h5>This is heading 5</h5>
<h6>This is heading 6</h6>
</body>
</html>
This HTML document produces following output :
css declaration in header samples
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