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August 29, 2015 14:27
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THE ALWAYS CHANGING BACKGROUND EFFECT, CHANGES EVERYTIME YOU RELOAD THE PAGE. Demo on http://codepen.io/samples/full/LVKmxg/
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| <body><h1>www.WHAK.com</h1> | |
| <canvas id='c' style="position:fixed;top:0;left:0;z-index:-420;width:100%;height:100%"></canvas> | |
| THE ALWAYS CHANGING BACKGROUND EFFECT<P>CHANGES EVERYTIME YOU RELOAD THE PAGE</P> | |
| <script> | |
| var rate=(Math.floor(Math.random() * 20) + 4); | |
| function a() { | |
| var u, n, e, r = 0; | |
| for (u = 0; d > u; u++) { | |
| for (n = 0; g > n; n++) { | |
| e = .5 < Math.random() ? 255 : 0, h.data[r] = e, h.data[r + 1] = e, h.data[r + 2] = e, | |
| r += 4; | |
| } | |
| } | |
| k.putImageData(h, 0, 0), l++, setTimeout(a, 100); | |
| } | |
| var h, n, p, q, t = document.getElementById("c"), k = t.getContext("2d"), d = t.width = 640, g = t.height = 480, m = new Date().getTime(), l = 0; | |
| for (h = k.createImageData(d, g), p = n = 0; d > p; p++) { | |
| for (q = 0; g > q; q++) { | |
| h.data[n + 3] = 50, n += rate; | |
| } | |
| } | |
| a(); | |
| </script> | |
| </body> |
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