Merge branch 'master' of http://139.186.142.91:10010/r/productDev/gtzxingli...

MrShi

2026-05-14 e9a7cddce776382916e975402986144a88899ac5

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'use strict';
// we can't use just `it == null` since of `document.all` special case
// https://tc39.es/ecma262/#sec-IsHTMLDDA-internal-slot-aec
module.exports = function (it) {
  return it === null || it === undefined;
};