DOCTYPE html>
html>
    head>
        meta charset="utf-8">
        title>520title>

        style>
        html, body{padding:0px; margin:0px; background:#222; font-family: 'Karla', sans-serif; color:#FFF; height:100%; overflow:hidden;}

        canvas {width:100%; height:100%;}
        
        #text,#text_520{font-family:'楷体'; color:rgb(255,255,3); font-size:20px; position:fixed; left:10%; top:10%;}
        
        #text_520{font-size:100px; top:50%; left:50%;}
        
        img{position:fixed; top:0; left:0; width:100%;}
        
        #last{font-size:12px; bottom:10px; left:50%; position:fixed;}
        /*
        @keyframes drop {
           0% { 
              transform: translateY(-100px);
              opacity: 0;
           }
           90% {
              opacity: 1;
              transform:translateY(10px);
           }
           100% {
              transform:translateY(0px;)
           }
        }
        */
        style>
    head>
    body>

        canvas id="c">canvas>
        
        div id="text">div>
        
        div id="text_520">5 2 0div>
        
        img src="./timg.jpg" class="img" />
        
        div id="last">版权所有：李晓珂div>
        
        script type="text/javascript" src="./jquery-1.11.0.min.js">script>
        script type="text/javascript">
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                    alert("该浏览器暂不支持，请更换浏览器");
                    window.open('','_self'); 
                    window.close();
                }
                var audio = document.createElement("audio");
                    audio.setAttribute("src","./520-love.mp3");
                    audio.setAttribute("autoplay","autoplay");
            }
            isIE();
        script>
        script type="text/javascript">
        
                var textArr = [
                    'I love three things in this world,',
                    'the sun ,the moon and you.',
                    'The sun for the day,',
                    'the moon for the night,',
                    'and you forever!',
                    '',
                    'If you were a teardrop,',
                    'in my eye,',
                    'for fear of losing you,',
                    'I would never cry.',
                    'And if the golden sun,',
                    'should cease to shine its light,',
                    'just one smile from you,',
                    'would make my whole world bright.'
                ];
                
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                setTimeout(typing,5000);
            
            var ctx = document.querySelector('canvas').getContext('2d');
                ctx.canvas.width = window.innerWidth;
                ctx.canvas.height = window.innerHeight;

            var sparks = [];
            var fireworks = [];
            
            var walker;
            
            fireworks.pop();
            
            var i = 10;
            while(i--) fireworks.push(new Firework(Math.random()*window.innerWidth, window.innerHeight*Math.random()));
            
            // setInterval(render, 1000/50);
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            function render() {
                
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                // 上升效果
                for(var firework of fireworks) {
                    if(firework.dead) continue;
                    firework.move();
                    firework.draw();
                }
                // 绽放效果
                for(var spark of sparks) {
                    if(spark.dead) continue;
                    spark.move();
                    spark.draw();
                    
                }
                
                if(Math.random()  0.1) fireworks.push(new Firework());
                
                //ctx.height = ctx.height;
            }

            function Spark(x, y, color) {
               this.x = x;
               this.y = y;
               this.dir = Math.random() * (Math.PI*2);
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                  this.x += Math.cos(