Add zooming effect to images on your website

You must have wondered, how to add zooming effect to an image.
Its pretty simple to do....

A simple attribute of "img" tag has the capbility of doing it


<img src"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAFg5IG7gT11yiwP469Msas4tuIiFjOR32-qaVJtAGFbK-b9MnTscivxHJQO_Is8X7dxGlR6tbixMs9fZujvDSLtPF8DTtiOz3upVYmhFPjzusLs6sC0-pC9-d09fKhZhWsRy3dGJjdiDW/s1600/David+Luiz+Chelsea+nani+Man+Utd.jpg" onmousedown="this.height=450;this.width=600"
onmouseup="this.height=150;this.width=200" width=200 height=150 >