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2013-04-11 01:07:29 -07:00 · 2013-04-11 01:07:29 -07:00 · 68f8f3e56b
commit 68f8f3e56b
parent b83f433714
14735 changed files with 178959 additions and 0 deletions
--- a/Task/Sierpinski-carpet/JavaScript/sierpinski-carpet.js
+++ b/Task/Sierpinski-carpet/JavaScript/sierpinski-carpet.js
@ -0,0 +1,72 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
+<title>Sierpinski Carpet</title>
+<script type='text/javascript'>
+
+var black_char = "#";
+var white_char = " ";
+
+var SierpinskiCarpet = function(size) {
+    this.carpet = [black_char];
+    for (var i = 1; i <= size; i++) {
+        this.carpet = [].concat(
+            this.carpet.map(this.sier_top),
+            this.carpet.map(this.sier_middle),
+            this.carpet.map(this.sier_top)
+        );
+    }
+}
+
+SierpinskiCarpet.prototype.sier_top = function(x) {
+    var str = new String(x);
+    return new String(str+str+str);
+}
+
+SierpinskiCarpet.prototype.sier_middle = function (x) {
+    var str = new String(x);
+    var spacer = str.replace(new RegExp(black_char, 'g'), white_char);
+    return new String(str+spacer+str);
+}
+
+SierpinskiCarpet.prototype.to_string = function() {
+    return this.carpet.join("\n")
+}
+
+SierpinskiCarpet.prototype.to_html = function(target) {
+    var table = document.createElement('table');
+    for (var i = 0; i < this.carpet.length; i++) {
+        var row = document.createElement('tr');
+        for (var j = 0; j < this.carpet[i].length; j++) {
+            var cell = document.createElement('td');
+            cell.setAttribute('class', this.carpet[i][j] == black_char ? 'black' : 'white');
+            cell.appendChild(document.createTextNode('\u00a0'));
+            row.appendChild(cell);
+        }
+        table.appendChild(row);
+    }
+    target.appendChild(table);
+}
+
+</script>
+<style type='text/css'>
+    table {border-collapse: collapse;}
+    td {width: 1em;}
+    .black {background-color: black;}
+    .white {background-color: white;}
+</style>
+</head>
+<body>
+
+<pre id='to_string' style='float:left; margin-right:0.25in'></pre>
+<div id='to_html'></div>
+
+<script type='text/javascript'>
+    var sc = new SierpinskiCarpet(3);
+    document.getElementById('to_string').appendChild(document.createTextNode(sc.to_string()));
+    sc.to_html(document.getElementById('to_html'));
+</script>
+
+</body>
+</html>