Function isBuiltInObject

libs/echarts/echarts.simple.js:705–707

* @memberOf module:zrender/core/util * @param {*} value * @return {boolean}

(value)

 * @return {boolean}
 */
function isBuiltInObject(value) {
    return !!BUILTIN_OBJECT[objToString.call(value)];
}

/**
 * @memberOf module:zrender/core/util