function doSomethingWithArray(arr) {

	doArray : {

		// check the array

		for (var i; i < arr.length; i++) {
			if (arr[i] === 0) {
				console.log('item at ' + i.toString(10) + 'is zero.');
				flag = true;
				break doArray;
			}
		}

		/* do something w/ the array ... */

		return arr;
	}
	return false;
};
doSomethingWithArray([1,4,6,3,5,8,0,1,2,7,3]);