This challange is the perfect way to practice the intermediate to advanced parts of the Document Object Model.
DOM Manipulation ✔️
Control Structures ✔️
HTML Audio API ✔️
JavaScript CSS Manipulation ✔️
addEventListener ✔️
let numberOfDrumButtons = document.querySelectorAll(".drum").length;
for (let i = 0; i < numberOfDrumButtons; i++) {
document.querySelectorAll(".drum")[i].addEventListener("click", function() {
let buttonInnerHTML = this.innerHTML;
makeSound(buttonInnerHTML);
buttonAnimation(buttonInnerHTML);
});
}
document.addEventListener("keydown", function(event) {
makeSound(event.key);
buttonAnimation(event.key);
});
function makeSound(key) {
switch (key) {
case "w":
let tom1 = new Audio("sounds/tom-1.mp3");
tom1.play();
break;
case "a":
let tom2 = new Audio("sounds/tom-2.mp3");
tom2.play();
break;
case "s":
let tom3 = new Audio('sounds/tom-3.mp3');
tom3.play();
break;
case "d":
let tom4 = new Audio('sounds/tom-4.mp3');
tom4.play();
break;
case "j":
let snare = new Audio('sounds/snare.mp3');
snare.play();
break;
case "k":
let crash = new Audio('sounds/crash.mp3');
crash.play();
break;
case "l":
let kick = new Audio('sounds/kick-bass.mp3');
kick.play();
break;
default: console.log(key);
}
}
function buttonAnimation(currentKey) {
let activeButton = document.querySelector("." + currentKey);
activeButton.classList.add("pressed");
setTimeout(function() {
activeButton.classList.remove("pressed");
}, 100);
}