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Fix crash in NullProtoObject() in WSH #970

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Fix crash in NullProtoObject() in WSH #970

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c3c2f9c
Merge pull request #1 from zloirock/master
gnh1201 Jul 29, 2021
1f688dd
Merge pull request #2 from zloirock/master
gnh1201 Aug 10, 2021
eff7159
Update object-create.js
gnh1201 Aug 10, 2021
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13 changes: 9 additions & 4 deletions packages/core-js/internals/object-create.js
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Expand Up @@ -57,10 +57,15 @@ var NullProtoObject = function () {
try {
activeXDocument = new ActiveXObject('htmlfile');
} catch (error) { /* ignore */ }
NullProtoObject = document.domain && activeXDocument ?
NullProtoObjectViaActiveX(activeXDocument) : // old IE
NullProtoObjectViaIFrame() ||
NullProtoObjectViaActiveX(activeXDocument); // WSH
if (activeXDocument) {
if (typeof(document) !== 'undefined') {
NullProtoObject = document.domain ?
NullProtoObjectViaActiveX(activeXDocument) : // old IE
NullProtoObjectViaIFrame();
} else {
NullProtoObject = NullProtoObjectViaActiveX(activeXDocument); // WSH
}
}
var length = enumBugKeys.length;
while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
return NullProtoObject();
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