Elements in HTML
An HTML file is made of elements. These elements are responsible for creating web pages and define content in that webpage. An element in HTML usually consist of a start tag , close tag and content inserted between them. an element is a collection of start tag, attributes, end tag, content between them.
<html> :
The HTML element represents the root (top-level element) of an HTML document, so it is also referred to as the root element. All other elements must be descendants of this element.
<h1>, <h2>, <h3>, <h4>, <h5>, <h6> :
The h1 to h6 HTML elements represent six levels of section headings. h1 is the highest section level and h6 is the lowest.
<nav> :
The nav HTML element represents a section of a page whose purpose is to provide navigation links, either within the current document or to other documents.
<section> :
The section HTML element represents a generic standalone section of a document, which doesn't have a more specific semantic element to represent it. Sections should always have a heading, with very few exceptions.
<div>:
The div HTML element is the generic container for flow content. It has no effect on the content or layout until styled in some way using CSS.
<p> :
The p HTML element represents a paragraph.
<ul>:
The ul HTML element represents an unordered list of items, typically rendered as a bulleted list.
<li>:
The li HTML element is used to represent an item in a list. It must be contained in a parent element.
<audio>:
The audio HTML element is used to embed sound content in documents.
<img>:
The img HTML element embeds an image into the document.
<video>:
The video HTML element embeds a media player which supports video playback into the document.
<embed>:
The embed HTML element embeds external content at the specified point in the document.
<iframe>:
The iframe HTML element represents a nested browsing context, embedding another HTML page into the current one.
<td>:
The td HTML element defines a cell of a table that contains data. It participates in the table model.
<th>:
The th HTML element defines a cell as header of a group of table cells. The exact nature of this group is defined by the scope and headers attributes.
<tr>:
The tr HTML element defines a row of cells in a table. The row's cells can then be established using a mix of td (data cell) and th (header cell) elements.