Function isStringObject

codebase/sources/dhtmlxscheduler.es.js:1442–1444

(obj)

  }
}
function isStringObject(obj) {
  return obj && typeof obj === "object" && Function.prototype.toString.call(obj.constructor) === "function String() { [native code] }";
}
function isNumberObject(obj) {
  return obj && typeof obj === "object" && Function.prototype.toString.call(obj.constructor) === "function Number() { [native code] }";
}