Function isNative

console/static/src/libs/ace-builds/src/worker-javascript.js:3070–3078

(value)

  }

  function isNative(value) {
    if (value == null) {
      return false;
    }
    if (objToString.call(value) == funcTag) {
      return reIsNative.test(fnToString.call(value));
    }
    return isObjectLike(value) && reIsHostCtor.test(value);
  }

  function isNumber(value) {
    return typeof value == 'number' || (isObjectLike(value) && objToString.call(value) == numberTag);