HTML Element, attributes And headings

An HTML element is a basic building block of a web page and is defined by a tag. An element typically has a start tag and an end tag, with content in between, and it may have attributes that provide additional information or change its behavior or appearance. Some common HTML elements include:

Paragraphs: <p>
Headings: <h1>, <h2>, <h3>, <h4>, <h5>, <h6>
Lists: <ul>, <ol>, <li>
Images: <img>
Links: <a>
Tables: <table>, <tr>, <th>, <td>
Form controls: <form>, <input>, <textarea>, <button>, <select>, <option>

There are many more HTML elements, each serving a specific purpose, and developers can also create custom elements using HTML5.

HTML Attributes

HTML attributes are used to provide additional information or configure the behavior or appearance of an HTML element. An attribute is written within the start tag of an HTML element, and consists of a name and a value. Some common HTML attributes include:

src: used to specify the source URL of an image or other media element
href: used to specify the URL of a linked resource
alt: used to provide alternative text for an image, for example for visually impaired users or for when the image fails to load
width and height: used to specify the dimensions of an image or other media element
id: used to assign a unique identifier to an element, which can be used as a target for links or as a hook for styling or scripting
class: used to assign one or more class names to an element, which can be used as hooks for styling or scripting
style: used to specify inline CSS styles for an element

There are many more HTML attributes, each with its own specific purpose and usage, and the available attributes may vary depending on the element being used.

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HTML Headings

HTML headings are used to give structure and meaning to the content of a web page. There are six levels of headings, ranging from <h1> (the highest level) to <h6> (the lowest level), and each level of heading has a distinct appearance, determined by the web browser or by CSS styles.

The headings are typically used to create headings and subheadings in a document, with <h1> being used for the main heading, <h2> for subheadings, and so on. For example:

<h1>This is a main heading</h1>

<h2>This is a subheading</h2>

<h3>This is a sub-subheading</h3>

<h4>This is a sub-subheading</H4>

<h5> This is a sub-subheading</H5>

Using headings correctly helps to create a well-structured document that is easy to read and navigate, and also provides information about the document’s structure to search engines and assistive technologies.