Full screen issue

when i run the program it executes perfectly in right side output area, but when i run same program it will not display in full screen, only 20% of screen will be displayed on top , tried in 5 laptops but same issue in all with full screen. kindly have a look

every one, have a look is it only me or are you all facing issue

output : side area
p5.js Web Editor | Animated Sprites (p5js.org)

output : full screen
p5.js Web Editor