im.doctor/src/doctor/util/objectUtil.js

"use strict";

/**
 * 检查对象是否为JSON。
 *
 * @see http://stackoverflow.com/questions/11182924/how-to-check-if-javascript-object-is-json
 *
 * @param object
 */
exports.isJsonObject = function(object){
    return {}.constructor === object.constructor;
};