Drum Machine Test #6 - Help!

I have spent most of the day trying every fix I can think of and every fix I could find on the forums here. I could really use some help understanding what is wrong with my project and how to fix it or some codes to fix it
[Here is a pen to my project]
(https://codepen.io/lan-anh21/pen/ExwQEwm)

you need to add a function which trigger the sound, when the same key is pressed on the keyboard. for example if i press Q in my keyboard the Q sound should trigger.:drum: your code is neet btw nicely done :+1:t5: