Basics : Lesson 4
If you want to write '<' or '>' on your web page to be displayed as it is, browser won't display it. In fact it will treat it as a tag. There are many characters which won't be displayed as we type then as they are.
For this, there is a special code for each special character. For example, if you want to display '<' on the web page; code for this is '<' or here 'lt' stands for 'less than'.
Here is a list of common special character which are used frequently.