HTML Variable Formatting

Question

http://www.w3schools.com/html/html_computercode_elements.asp

Above web page is saying about HTML variable formatting.

I wish to know what is the different between following two method of formatting, because both are giving same result. Problem is highlighted.

<!DOCTYPE html>
<html>
<body style="font-size:16px">

Einstein wrote:

<var>E</var> = <var>m</var> <var>c</var>2

</body>
</html>

<!DOCTYPE html>
<html>
<body style="font-size:16px">

Einstein wrote:

E = mc2

</body>
</html>

Vulpes · Answer

The difference between the and tags is analogous to the difference between the and tags which I remember you asking about in a previous thread. The tag is telling the browser or other program rendering the HTML that a variable is to be formatted in some way which makes it distinct from 'ordinary' text. In practice most browsers just use italics for this tag which explains why visually it looks the same as .

Maha · Answer

Thank you for your explanation.