I am having a hard time getting the quotes right in this code. Don't work so I am guessing the quotes are wrong.
html+='<img src="' + noteDirectory + '"/ "' + currentNote + '".png>'";
What you need is this:
html+='<img src="' + noteDirectory + '/' + currentNote + '.png">';
A better way to look at it would be: You just need "
after src=
and between .png
and the last >