Sometimes you may need to collect data from players. This could be their scores, game statistics, feedback, survey answers or anything else. There are many ways...
i don't know to much about JavaScript, if you can make an example it would be so helpful to me, and sorry for the trouble.
It's not JavaScript, it's in the script which is attached to the tutorial. Find that line in the script and change it - remove "+1" or something like that.