The Elegoo board seems to not be working, but every time I try and verify my code it says it fails, even for your examples.
Sorry to hear you're having problems.
This might be relevant:
http://forum.arduino.cc/index.php?topic=553932.0
If not, then it would be helpful for you to provide any additional details (such as the full error output from the black console window at the bottom of the Arduino Web Editor window)
If all else fails (and you're not using Chrome OS), you can try using the desktop IDE instead, which you can download here: