document undefined?

[gordanyang]

in packages/core-js/internals/microtask.js
var node = document.createTextNode(''); should be var node = global.document.createTextNode(''); ??

else if (Observer && !(global.navigator && global.navigator.standalone)) {
    var toggle = true;
    var node = document.createTextNode('');
    new Observer(flush).observe(node, { characterData: true }); // eslint-disable-line no-new
    notify = function () {
      node.data = toggle = !toggle;
    };
  // environments with maybe non-completely correct, but existent Promise
  } 

[zloirock]

document is a global variable - here is no difference between global.document. Does it cause an error for you?

[gordanyang]

yes,in my case.

[marzelin]

Interesting. Where do you run the code - in service worker, web worker, node? Maybe there's a variable called document in the upper scope that shadows global document? AFAIK you cannot reassign document object on the main thread in any browser.

[zloirock]

Something strange. Could you add any info about your environment / a reproducible example?

[zloirock]

Closed as can't reproduce.