sub+sup elements

sub

H₂0 - Water

O₂ - Oxygen

CO₂ - Carbon Dioxide

sup

HTML5 was published as a Recommendation on the 28^th of October 2014.

Code

<p>H<sub>2</sub>0 - Water</p>

<p>HTML5 was published as a Recommendation on the 28<sup>th</sup> of October 2014. </p>

Reference

HTML5 span element