Inspect JavaScript objects -- useful for debugging.

inspect.js

var Inspector = function(target) {
  var inspector = this,
      target    = target;

  function padding(indentationLevel) {
    paddingText = '';

    for (var i = 0; i < indentationLevel; i++) {
      paddingText += '  ';
    }
    return paddingText;
  }

  function dumpObject(object, indentationLevel) {
    indentationLevel = indentationLevel || 0;
    output           = '';

    for (attribute in object) {
      if (object.hasOwnProperty(attribute)) {
        thing  = object[attribute];
        prefix = padding(indentationLevel) + attribute + ": ";

        if (typeof(thing) == 'object') {
          output += prefix + "{\n" +
            dumpObject(thing, indentationLevel + 1) +
            padding(indentationLevel) +
            "}\n";
        } else {
          output += prefix + object[attribute] + "\n";
        }
      }
    }
    return output;
  }

  inspector.inspect = function() {
    return dumpObject(target);
  }
}

Object.prototype.inspect = function() {
  inspector = new Inspector(this);
  return inspector.inspect();
}