Deep Compare Of Two Objects

#javascript

Object.compare = function (obj1, obj2) {
//Loop through properties in object 1
for (var p in obj1) {
//Check property exists on both objects
if (obj1.hasOwnProperty(p) !== obj2.hasOwnProperty(p)) return false;

    switch (typeof (obj1[p])) {
        //Deep compare objects
        case 'object':
            if (!Object.compare(obj1[p], obj2[p])) return false;
            break;
        //Compare function code
        case 'function':
            if (typeof (obj2[p]) == 'undefined' || (p != 'compare' && obj1[p].toString() != obj2[p].toString())) return false;
            break;
        //Compare values
        default:
            if (obj1[p] != obj2[p]) return false;
    }
}

//Check object 2 for any extra properties
for (var p in obj2) {
    if (typeof (obj1[p]) == 'undefined') return false;
}
return true;

};