code: function typeName( error ) {
  	var i;
  	for ( i = 0; i < CTORS.length; i++ ) {
  		if ( error instanceof CTORS[ i ][ 0 ] ) {
  			return CTORS[ i ][ 1 ];
  		}
  	}
  }
docs: TYPE NAME // 
  FUNCTION: typeName( error )
  Returns the error type.
  
  @param {Error|TypeError|SyntaxError|URIError|ReferenceError|RangeError|RangeError|EvalError} error - input error
  @returns {String} error type