Java Script Help

So I am just starting out doing Java and I am having a problem with contracting an image. We are supposed to make an image double in size on a button click and reduce in size when a different button is clicked. Can't seem to get the image to reduce.

This is the code to get it to enlarge, this works fine.

onclick="document.getElementById('Boba').height=2*
document.getElementById('Boba').height;
document.getElementById('Boba').width=2*
document.getElementById('Boba').width;">


I figured I could just replace the * with a /


onclick="document.getElementById('Boba').height=2/
document.getElementById('Boba').height;
document.getElementById('Boba').width=2/
document.getElementById('Boba').width;">

This just makes the image disappear, any help on this would be appreciated, this is the only thing I can't figure out in this chapter.

 

If division doesn't work, try:

Code:

onclick="document.getElementById('Boba').height=
document.getElementById('Boba').height*0.5;
document.getElementById('Boba').width=
document.getElementById('Boba').width*0.5;">

 

Worked perfectly, thank you.

 

No problem. If you need anymore help make a post or send me a PM for a quicker response.