Function isNumber

codebase/sources/dhtmlxscheduler.es.js:15706–15708

(value)

  return value !== null && value !== void 0;
};
var isNumber = function(value) {
  return typeof value === "number";
};
var isWeekdayStr = function(value) {
  return typeof value === "string" && ALL_WEEKDAYS.includes(value);
};