Check if two 1-level-deep json arrays contain the same values

jsonIsEqual

// A shallow scan of a JSON object to test for equality
function getNumKeysInJsonObject(obj) {
	var i = 0;
	for (var x in obj)
		if (obj.hasOwnProperty(x)) i++;
	return i;
}
function jsonIsEqual(obj1, obj2) {
	var isEqual = true; //Equal until proven otherwise
	if(typeof obj1 != 'undefined' && typeof obj2 != 'undefined') {
		var numKeysInObj1 = 0;
		for(var key in obj1){
			if(obj1.hasOwnProperty) {
				numKeysInObj1++;
				if(typeof obj2[key] == 'undefined' || obj1[key] != obj2[key]) {
					isEqual = false;
				}
			}
		}
		if(numKeysInObj1 != getNumKeysInJsonObject(obj2)) {
			isEqual = false;
		}
	} else {
		isEqual = false;
	}
	return isEqual;
}