Use browsers JSON.parse for parsing JSON.

sdk/lib/json/json.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart.json;
 
 // JSON parsing and serialization.
 
 /**
  * Error thrown by JSON serialization if an object cannot be serialized.
@@ skipping 23 matching lines @@
 }
 
 
 /**
  * Parses [json] and build the corresponding parsed JSON value.
  *
  * Parsed JSON values are of the types [num], [String], [bool], [Null],
  * [List]s of parsed JSON values or [Map]s from [String] to parsed
  * JSON values.
  *
- * The optional [revivier] function, if provided, is called once for each
- * object or list property parsed. The arguments are the property name
- * ([String]) or list index ([int]), and the value is the parsed value.
- * The return value of the revivier will be used as the value of that property
- * instead the parsed value.
+ * The optional [revivier] function, if provided, is called once for each object

[Johnni Winther, 2013/01/31 08:32:59]

revivier -> reviver

[sra1, 2013/01/31 22:49:36]

Done.

+ * or list property parsed. The arguments are the property name ([String]) or
+ * list index ([int]), and the value is the parsed value.  The return value of
+ * the revivier will be used as the value of that property instead the parsed

[Johnni Winther, 2013/01/31 08:32:59]

ditto

[sra1, 2013/01/31 22:49:36]

Done.

+ * value.  The top level value is passed to the reviver with the empty string as
+ * a key.
  *
  * Throws [FormatException] if the input is not valid JSON text.
  */
 parse(String json, [reviver(var key, var value)]) {
   BuildJsonListener listener;
   if (reviver == null) {
     listener = new BuildJsonListener();
   } else {
     listener = new ReviverJsonListener(reviver);
   }
@@ skipping 736 matching lines @@
         first = false;
       });
       sb.add('}');
       seen.removeLast();
       return true;
     } else {
       return false;
     }
   }
 }