Mouse scrolling on Firefox?, i have the question of how i can get mouse scrolling on Firefox?

i try to put mouse scrolling functions on firefox, but i can't
this is my code:
<pre><nowiki><!DOCTYPE html>
<html>
<head>
<title>Canvas</title>
<meta charset="UTF-8">
<meta name="author" content="http://programmingheroes.blogspot.com.es">
<style>@font-face {
font-family: "PlaneCrash";
src: url('Calligraffiti.eot?') format('eot'),
url('Calligraffiti.woff') format('woff'),
url('Calligraffiti.ttf') format('truetype'),
url('Calligraffiti.svg#Calligraffiti') format('svg');
body {
background-color: #000;
overflow: hidden;
margin: 0;
div {
-moz-user-select: none;
-moz-user-select: none;
canvas {
background-color: #000;
position: absolute;
#title {
-moz-transform: rotateZ(-5deg);
-moz-transition: -moz-transform 2s;
-moz-box-reflect: below -40px
-moz-gradient(linear, left top, left bottom,
from(transparent), to(rgba(255, 255, 255, 0.6)));
-moz-transform-origin: 0% 100%;
font-family: "PlaneCrash";
position: relative;
text-align: center;
top: 30px;
font-size: 6em;
color: red;
text-shadow: 0px 0px 20px white;
#title:hover {
-moz-transform: rotateZ(5deg);
</style>
<script>
window.addEventListener("resize", resizeCanvas, false);
window.addEventListener("DOMContentLoaded", onLoad, false);
window.requestAnimationFrame =
window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function (callback) {
window.setTimeout(callback, 1000/60);
var canvas, ctx, w, h, particles = [], probability = 0.09,
xPoint, yPoint;
var img = new Image();
img.src = "img/fire.png";
function onLoad() {
canvas = document.getElementById("canvas");
canvas.addEventListener("mousedown", mouseDown, false);
canvas.addEventListener("DOMMouseScroll", DOMMouseScroll, false);
ctx = canvas.getContext("2d");
resizeCanvas();
window.requestAnimationFrame(updateWorld);
} // fin de onLoad();
function mouseDown() {
createFirework();
} // fin de moveDown(e);
function DOMMouseScroll(e) {
e = e || window.event;
if (e.DOMMouseScroll > 0) {
probability += 0.01;
else
(e.DOMMouseScroll < 0)
probability -= 0.01;
probability = probability<0? 0: probability;
} // fin dw mouseWheel();
function resizeCanvas() {
if (!!canvas) {
w = canvas.width = window.innerWidth;
h = canvas.height = window.innerHeight;
} // fin de resizeCanvas();
function updateWorld() {
update();
paint();
window.requestAnimationFrame(updateWorld);
} // fin de update();
function update() {
if (particles.length < 500 && Math.random() < probability) {
createFirework();
var alive = [];
for (var i=0; i<particles.length; i++) {
if (particles[i].move()) {
alive.push(particles[i]);
particles = alive;
} // fin de update();
function paint() {
ctx.globalCompositeOperation = 'source-over';
ctx.fillStyle = "rgba(0,0,0,0.2)";
ctx.fillRect(0, 0, w, h);
ctx.globalCompositeOperation = 'lighter';
for (var i=0; i<particles.length; i++) {
particles[i].draw(ctx);
} // fin de paint();
function createFirework() {
xPoint = Math.random()*(w-200)+100;
yPoint = Math.random()*(h-200)+100;
var nFire = Math.random()*50+100;
var c = "rgb("+(~~(Math.random()*200+55))+","
+(~~(Math.random()*200+55))+","+(~~(Math.random()*200+55))+")";
for (var i=0; i<nFire; i++) {
var particle = new Particle();
particle.color = c;
var vy = Math.sqrt(25-particle.vx*particle.vx);
if (Math.abs(particle.vy) > vy) {
particle.vy = particle.vy>0 ? vy: -vy;
particles.push(particle);
} // fin de createParticles();
function Particle() {
this.w = this.h = Math.random()*6+1;
// Position
this.x = xPoint-this.w/2;
this.y = yPoint-this.h/2;
// Velocidades x e y entre -5 y +5
this.vx = (Math.random()-0.5)*10;
this.vy = (Math.random()-0.5)*10;
// Tiempo de vida
this.alpha = Math.random()*.5+.5;
// color
this.color;
} // fin de Particle();
Particle.prototype = {
gravity: 0.05,
move: function () {
this.x += this.vx;
this.vy += this.gravity;
this.y += this.vy;
this.alpha -= 0.01;
if (this.x <= -this.w || this.x >= screen.width ||
this.y >= screen.height ||
this.alpha <= 0) {
return false;
return true;
draw: function (c) {
c.save();
c.beginPath();
c.translate(this.x+this.w/2, this.y+this.h/2);
c.arc(0, 0, this.w, 0, Math.PI*2);
c.fillStyle = this.color;
c.globalAlpha = this.alpha;
c.closePath();
c.fill();
c.restore();
} // fin de Particle.prototype;
</script>
</head>
<body>
<noscript>
No tiene habilitado JavaScript. Debería habilitarlo para poder
disfrutar al completo de los contenidos de esta página.
</noscript>
<div>
<canvas id="canvas">
Tu navegador no soporta el elemento <code>canvas</code> de HTML5.
</canvas>
</div>
<div id="title">
fireworks!
</div>
</body>
</html></nowiki></pre>

Note that some CSS properties now longer need or can be prefixed with a -moz- prefix.
*https://developer.mozilla.org/en-US/docs/Web/CSS/transform
A good place to ask advice about web development is at the mozillaZine "Web Development/Standards Evangelism" forum.
*http://forums.mozillazine.org/viewforum.php?f=25
The helpers at that forum are more knowledgeable about web development issues.<br>
You need to register at the mozillaZine forum site in order to post at that forum.

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