Replaced parseInt by unary plus.

index.html

@@ -75,12 +75,12 @@
 var a = ["1", "2"];
 a.push("3");
 
-a = a.map(function(n) { return parseInt(n, 10); });
+a = a.map(function(n) { return +n }); // unary plus operator casts into Number
 
 a.splice(1, 1 /* how much */);
 a; // [1, 3]
 
-a.reverse() // [3, 1]
+a.reverse(); // [3, 1]
 
 a.unshift(777); // 777
 a; // [777, 3, 1]
@@ -127,7 +127,7 @@
       </code></pre></td>
 
       <td><pre><code class="javascript">
-var a = ["aaa  ", "  bbb", "  ccc  "]
+var a = ["aaa  ", "  bbb", "  ccc  "];
 
 a.map(function(x) { return x.trim(); });               // ['aaa', 'bbb', 'ccc']
 a.map(Function.prototype.call, String.prototype.trim); // ['aaa', 'bbb', 'ccc']