By the way, I’ve been wondering that, why my .txt file just have a few numbers as the link I posted above but the code I used from you finally plo a lot of points, looks like it repeatedly do it again the whole number of values
inside the .txt file. Please look at this link and you will know what I wanna say :
I’m using Firefox and Chrome to check them out but it shows the same results !!!
I know what the things came wrong i< allLines.length, but I can’t solve this problem.