check how many blocks are in player inventory

[skiddermaster412]

i am new at javascript and i don't know much about it, so i want to check how many blocks are in theplayer inventory, i didn't find any related posts about this so yeah

[CzechHek]

using dyskord.cc/Core

        count = 0;
        Java.from(mc.thePlayer.inventory.mainInventory).forEach(function (s) {s && s.getItem() instanceof ItemBlock && (count += s.stackSize)});
//converts java array to js array and uses js function

        //for (i in mc.thePlayer.inventory.mainInventory) (stack = mc.thePlayer.inventory.mainInventory[i]) && stack.getItem() instanceof ItemBlock && (count += stack.stackSize);
//alternative, cycles through java array via for function

        chat.print(count);