Add window.hotbarEnd

[IceTank]

Why?
Because the hotbar ends at slot 44 but the player has 45 inventory slots. If you want to check if an item is in your hotbar you could do window.hotbarStart <= item.slot <= window.hotbarStop. Instead of window.hotbarStart <= item.slot <= 44

[u9g]

or window.hotbarStart <= item.slot <= window.hotbarStart + 9

[u9g]

the 45th is offhand, idk, is that considered hotbar?

[IceTank]

If you want to activate an item or place a block you have to give extra arguments to place with the off-hand

[Gjum]

window.hotbarStart <= item.slot < window.hotbarStart + 9
notice the second one has to be exclusive <

[u9g]

window.hotbarStart <= item.slot < window.hotbarStart + 9
notice the second one has to be exclusive <

this won’t work in js regardless, to add to this for anyone looking at this issue later, you have to seperate comprasions with || or &&, window.hotbarStart <= item.slot && item.slot < window.hotbarStart + 9