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+<!DOCTYPE html>
+<html>
+<head>
+<title>JavaScript mandelbrot set</title>
+<style>pre {font-size:8pt;}</style>
+</head>
+<body>
+<h1>JavaScript generated mandelbrot set</h1>
+<script>
+function show_mandelbrot()
+{
+ var gradation = " .,:;=|i+IhHOE#$ ";
+ document.writeln("<pre>");
+ for(i = -1.2; i <= 1.2; i += 0.04) {
+ for(r = -2; r <= 1; r += 0.02) {
+ var zr = r;
+ var zi = i;
+ var n = 0;
+ for(; n < 16; n++) {
+ var zr2 = zr * zr;
+ var zi2 = zi * zi;
+ if((zr2 + zi2) > 4) {
+ break;
+ }
+ zi = 2 * zr * zi + i;
+ zr = zr2 - zi2 + r;
+ }
+ document.write(gradation.charAt(n));
+ }
+ document.write("\n");
+ }
+ document.writeln("</pre>");
+ document.close();
+}
+show_mandelbrot();
+</script>
+<noscript>
+JavaScript not enabled.
+</noscript>
+</body>
+</html>