Drum-Simulation/index.js at main · indranigit/Drum-Simulation · GitHub

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//Detecting Button press
var l=document.querySelectorAll(".drum").length;
for(var i=0;i<l;i++){
    document.querySelectorAll(".drum")[i].addEventListener("click", function(){

        var buttonname=this.innerHTML;
        makeSound(buttonname);
        addAnimation(buttonname);
    });
}
//Detecting keyboard press
document.addEventListener("keypress",function(event){
    makeSound(event.key);
    addAnimation(event.key);
});

//defining function to make sound
function makeSound(key){
    switch(key)
        {
            case "w":
                    var tom1=new Audio("sounds/tom-1.mp3");
                    tom1.play();
                    break;
            case "a":
                var tom2=new Audio("sounds/tom-2.mp3");
                tom2.play();
                break;
            case "s":
                var tom3=new Audio("sounds/tom-3.mp3");
                tom3.play();
                break;
            case "d":
                var tom4=new Audio("sounds/tom-4.mp3");
                tom4.play();
                break;
            case "j":
                var crash=new Audio("sounds/crash.mp3");
                crash.play();
                break;
            case "k":
                var kick=new Audio("sounds/kick-bass.mp3");
                kick.play();
                break;
            case "l":
                var snare=new Audio("sounds/snare.mp3");
                snare.play();
                break;
            default:
                console.log("Entered a wrong key");
                break;

        }

}
 function addAnimation(key){
     var activebutton=document.querySelector("."+key);
     activebutton.classList.add("pressed");
     setTimeout(function(){
         activebutton.classList.remove("pressed");
        },250)

     }