HTML Element is a combination of the start tag, content, and end tag.
HTML Element = Start tag + Content + End tag
For example :
<h1> This is our first heading </h1>
This is a heading element.
What is a Nested HTML Element?
Nested HTML Element is the elements in which one HTML element are followed by another HTML element.
Nested HTML Element = One HTML element inside another HTML element
For example :
<h1><b> This is our first heading </b></h1>
This is a bold tag inside the heading element.
What is an Empty HTML Element?
Empty HTML Element is the element in which tags do not have any content.
Empty HTML Element = Tags with no content
For example :
</br>
This is a break tag having no content. <hr/> is also an example of this.
These tags are known as “empty elements”.
