What is an entity ?
Entity is something has a real existence, distinct or independent.
What is an HTML entity ?
HTML entity is a portion/piece of text string which begins with ampersand ( & ) and ends with a semicolon ( ; )
These entities are used to display the reserved and invisible characters.
Reserved characters are string which is interpreted as HTML code in webpage.
Invisible characters are like non-breaking spaces etc.
Entity names we are using is case sensitive.
How HTML entity is used ?
We can insert/replace characters that are not present on your keyboard by entities.
If we want to use greater-than (<) or less-than (>) symbol in text, the browser will mix these symbols with HTML tags, to avoid these problems HTML entities are used.
Entities are also used to insert add, delete icons , geometric shapes, mathematical operators etc.
HTML coding for a website !!!
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Types of letters used in HTML
There are two special types of letters used in HTML, they are
1. Normal characters.
2. Marks/Glyph characters.
1.Normal / Commonly used HTML Character Entities
2.Diacritical Marks/Glyph in HTML
Marks/glyph characters are also called as diacritical mark.
Diacritical marks can be used both anywhere inside the letter.
It may be used in above/below/inside a letter, and also between two letters.