HTML Elements

The HTML element is everything from the start tag to the end tag:

<tagname>Content goes here...</tagname>

Examples of some HTML elements:

<h1>My First Heading</h1>
<p>My first paragraph.</p>

Start tag	Element content	End tag
`<h1>`	My First Heading	`</h1>`
`<p>`	My first paragraph.	`</p>`
`<br>`	none	none

Note: Some HTML elements have no content (like the <br> element). These elements are called empty elements. Empty elements do not have an end tag!

Nested HTML Elements

HTML elements can be nested (this means that elements can contain other elements).

All HTML documents consist of nested HTML elements.

The following example contains four HTML elements (<html>, <body>, <h1> and <p>):

My First Heading

My first paragraph.

Example Explained

The <html> element is the root element and it defines the whole HTML document.

It has a start tag <html> and an end tag </html>.

Then, inside the <html> element there is a <body> element, which defines the document's body.

The <h1> element defines a heading and the <p> element defines a paragraph.

Never Skip the End Tag

Some HTML elements will display correctly, even if you forget the end tag. However, never rely on this! Unexpected results and errors may occur if you forget the end tag!

Empty HTML Elements

HTML elements with no content are called empty elements. The <br> tag defines a line break, and is an empty element without a closing tag.

This is a
paragraph with a line break.

HTML is Not Case Sensitive

HTML tags are not case sensitive: <P> means the same as <p>.

The HTML standard does not require lowercase tags, but many developers recommend it, and demand it for stricter document types like XHTML.

HTML Elements

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