function shallowClone(source, obj) {
    if (arguments.length < 2) {
        obj = source;
        source = {};
    }

    for (var key in obj) {
        if (!obj.hasOwnProperty(key)) continue;
        source[key] = obj[key];
    }
    return source;
}
function shallowClone(source, obj) {
    if (arguments.length < 2) {
        obj = source;
        source = {};
    }

    for (var key in obj) {
        if (!obj.hasOwnProperty(key)) continue;
        source[key] = obj[key];
    }
    return source;
}
function shallowClone ( source , obj ) { if ( arguments . length < 2 ) { obj = source ; source = { } ; } for ( var key in obj ) { if ( ! obj . hasOwnProperty ( key ) ) continue ; source [ key ] = obj [ key ] ; } return source ; }
Shallowly clones the object into the source object

@param {Object?} source The source object
@param {Object} obj The object to clone
@returns {Object} The source object
Shallowly clones the object into the source object