Working with Audio - HTML5 Canvas - page 373

if (!canvasSupport()) {
return;
}
var theCanvas = document.getElementById("canvasOne");
var context = theCanvas.getContext("2d");
function itemLoaded(event) {
loadCount++;
if (loadCount >= itemsToLoad) {
shootSound.removeEventListener("canplaythrough",itemLoaded, false);
shootSound2.removeEventListener("canplaythrough",itemLoaded, false);
shootSound3.removeEventListener("canplaythrough",itemLoaded, false);
explodeSound.removeEventListener("canplaythrough",itemLoaded,false);
explodeSound2.removeEventListener("canplaythrough",itemLoaded,false);
explodeSound3.removeEventListener("canplaythrough",itemLoaded,false);
soundPool.push({name:"explode1", element:explodeSound, played:false});
soundPool.push({name:"explode1", element:explodeSound2, played:false});
soundPool.push({name:"explode1", element:explodeSound3, played:false});
soundPool.push({name:"shoot1", element:shootSound, played:false});
soundPool.push({name:"shoot1", element:shootSound2, played:false});
soundPool.push({name:"shoot1", element:shootSound3, played:false});
appState = STATE_RESET;
}
}
function initApp() {
loadCount=0;
itemsToLoad = 9;
explodeSound = document.createElement("audio");
document.body.appendChild(explodeSound);
audioType = supportedAudioFormat(explodeSound);
explodeSound.setAttribute("src", "explode1." + audioType);
explodeSound.addEventListener("canplaythrough",itemLoaded,false);
explodeSound2 = document.createElement("audio");
document.body.appendChild(explodeSound2);
explodeSound2.setAttribute("src", "explode1." + audioType);
explodeSound2.addEventListener("canplaythrough",itemLoaded,false);
explodeSound3 = document.createElement("audio");
document.body.appendChild(explodeSound3);
explodeSound3.setAttribute("src", "explode1." + audioType);
explodeSound3.addEventListener("canplaythrough",itemLoaded,false);
shootSound = document.createElement("audio");
document.body.appendChild(shootSound);
shootSound.setAttribute("src", "shoot1." + audioType);
shootSound.addEventListener("canplaythrough",itemLoaded,false);