The Tor Browser / file revision

 // Copyright 2009 the Sputnik authors.  All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * Labelled statements are only used in conjunction with labelled

  * break and continue statements

  *

  * @path ch12/12.12/S12.12_A1_T1.js

  * @description Checking if labelled break works. See continue and break sections

  */

 var object = {p1: 1, p2: 1};

 var result = 0;

 lbl: for(var i in object){

   result += object[i];

   break lbl;

 }

 if(!(result === 1)){

   $ERROR("'break label' should break execution of labelled iteration statement");

 }