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<html><head><meta charset="utf-8" /><title>文字矩阵</title><style type="text/css">* {margin: 0; padding: 0;} //无边距body {background: black;}canvas {display: block;}</style></head><body><canvas id="c"></canvas> <script type="text/javascript">var c = document.getElementById("c"); var ctx = c.getContext("2d"); c.height = window.innerHeight; c.width = window.innerWidth; var chinese = "01";chinese = chinese.split(""); var font_size = 10; var columns = Math.floor(c.width/font_size); var drops = []; for(var x = 0; x < columns; x++)drops[x] = 1; function draw(){ctx.fillStyle = "rgba(0, 0, 0, 0.05)";ctx.fillRect(0, 0, c.width, c.height);ctx.fillStyle = "#0F0"; ctx.font = font_size + "px arial";for(var i = 0; i < drops.length; i++){var text = chinese[Math.floor(Math.random()*chinese.length)];ctx.fillText(text, i*font_size, drops[i]*font_size);if(drops[i]*font_size > c.height && Math.random() > 0.975) drops[i] = 0;drops[i]++;}}setInterval(draw, 33);</script>">