Конфетти Javascript на всю страницу не работает

var maxParticleCount = 70; //set max confetti count
				var particleSpeed = 1; //set the particle animation speed
				var startConfetti; //call to start confetti animation
				var stopConfetti; //call to stop adding confetti
				var toggleConfetti; //call to start or stop the confetti animation depending on whether it's already running
				var removeConfetti; //call to stop the confetti animation and remove all confetti immediately

				(function() {
					startConfetti = startConfettiInner;
					stopConfetti = stopConfettiInner;
					toggleConfetti = toggleConfettiInner;
					removeConfetti = removeConfettiInner;
					var colors = ["DodgerBlue", "OliveDrab", "Gold", "Pink", "SlateBlue", "LightBlue", "Violet", "PaleGreen", "SteelBlue", "SandyBrown", "Chocolate", "Crimson"]
					var streamingConfetti = false;
					var animationTimer = null;
					var particles = [];
					var waveAngle = 0;

					function resetParticle(particle, width, height) {
						particle.color = colors[(Math.random() * colors.length) | 0];
						particle.x = Math.random() * width;
						particle.y = Math.random() * height - height;
						particle.diameter = Math.random() * 10 + 5;
						particle.tilt = Math.random() * 10 - 10;
						particle.tiltAngleIncrement = Math.random() * 0.07 + 0.05;
						particle.tiltAngle = 0;
						return particle;
					}

					function startConfettiInner() {
						var width = window.innerWidth;
						var height = window.innerHeight;
						window.requestAnimFrame = (function() {
							return window.requestAnimationFrame ||
								window.webkitRequestAnimationFrame ||
								window.mozRequestAnimationFrame ||
								window.oRequestAnimationFrame ||
								window.msRequestAnimationFrame ||
								function (callback) {
									return window.setTimeout(callback, 16.6666667);
								};
						})();
						var canvas = document.getElementById("confetti-canvas");
						if (canvas === null) {
							canvas = document.createElement("canvas");
							canvas.setAttribute("id", "confetti-canvas");
							canvas.setAttribute("style", "display:block;z-index:999999;pointer-events:none");
							document.body.appendChild(canvas);
							canvas.width = width;
							canvas.height = height;
							window.addEventListener("resize", function() {
								canvas.width = window.innerWidth;
								canvas.height = window.innerHeight;
							}, true);
						}
						var context = canvas.getContext("2d");
						while (particles.length < maxParticleCount)
							particles.push(resetParticle({}, width, height));
						streamingConfetti = true;
						if (animationTimer === null) {
							(function runAnimation() {
								context.clearRect(0, 0, window.innerWidth, window.innerHeight);
								if (particles.length === 0)
									animationTimer = null;
								else {
									updateParticles();
									drawParticles(context);
									animationTimer = requestAnimFrame(runAnimation);
								}
							})();
						}
					}

					function stopConfettiInner() {
						streamingConfetti = false;
					}

					function removeConfettiInner() {
						stopConfetti();
						particles = [];
					}

					function toggleConfettiInner() {
						if (streamingConfetti)
							stopConfettiInner();
						else
							startConfettiInner();
					}

					function drawParticles(context) {
						var particle;
						var x;
						for (var i = 0; i < particles.length; i++) {
							particle = particles[i];
							context.beginPath();
							context.lineWidth = particle.diameter;
							context.strokeStyle = particle.color;
							x = particle.x + particle.tilt;
							context.moveTo(x + particle.diameter / 2, particle.y);
							context.lineTo(x, particle.y + particle.tilt + particle.diameter / 2);
							context.stroke();
						}
					}

					function updateParticles() {
						var width = window.innerWidth;
						var height = window.innerHeight;
						var particle;
						waveAngle += 0.01;
						for (var i = 0; i < particles.length; i++) {
							particle = particles[i];
							if (!streamingConfetti && particle.y < -15)
								particle.y = height + 100;
							else {
								particle.tiltAngle += particle.tiltAngleIncrement;
								particle.x += Math.sin(waveAngle);
								particle.y += (Math.cos(waveAngle) + particle.diameter + particleSpeed) * 0.5;
								particle.tilt = Math.sin(particle.tiltAngle) * 15;
							}
							if (particle.x > width + 20 || particle.x < -20 || particle.y > height) {
								if (streamingConfetti && particles.length <= maxParticleCount)
									resetParticle(particle, width, height);
								else {
									particles.splice(i, 1);
									i--;
								}
							}
						}
					}
				})();

 body, html {
     height: 100%;
    }
    body {
     height: 100%;
     background-color:#ff5abd;
     background-image: url("../img/bg.png");
     background-position: center;
     background-repeat: no-repeat;
     background-size: cover;
     position: absolute;
     font-family: Roboto;
     overflow: hidden;

    }

<html>
        <head>
          <meta charset = "utf-8">
          <meta content = "width=device-width, initial-scale=1" name = "viewport" />
          <meta name = "description" content = "">
          <meta name = "author" content = "">

          <title></title>


          <link href = "bootstrap/css/bootstrap.min.css" rel = "stylesheet">
          <link rel = "stylesheet" href = "css/style-1.css" />

        </head>


        <body onload = "startConfetti()">
          <div class = "text">
            <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborump>
            <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborump>

          </div>

          <script src = "js/confetti.js"></script>

        </body>
      </html>