lib/ajax/ MDL-25675 Use className instead of classList.toString()
lib/ajax/ MDL-25675 Use className instead of classList.toString()

Signed-off-by: Andrew Robert Nicols <92b3ecdca8da66b14d18b1482f0bb81eca814369@luns.net.uk>
Signed-off-by: Dan Poltawski <64901863290c39b2a34e9405792410f688409533@luns.net.uk>

dilawar/moodle