Merge objects in javascript

merge.js

/**
 * Merge objects
 * 
 * @param {...object} obj
 * 
 * @return {object}
 */
function merge() {
    var i, obj, key,
    result = {};
    for (i = arguments.length - 1; i >= 0; i--) {
        obj = arguments[i];
        for (key in obj) {
            if (obj.hasOwnProperty(key)) {
                result[key] = obj[key];
            }
        }
    }
    return result;
}