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Then the bastard tries to willingly access x to equate it to undefined, but that can’t work since x is undefined and yields a ReferenceError (rendering the third expression moot).
The monks answers of document.all is not applicable since document.all is a live set of data which can be nothing or everything.
Who even introduced document.all? I bet it was microsoft…
typeof x === "undefined"is true.Then the bastard tries to willingly access
xto equate it toundefined, but that can’t work sincexis undefined and yields aReferenceError(rendering the third expression moot).The monks answers of document.all is not applicable since
document.allis a live set of data which can be nothing or everything.Who even introduced
document.all? I bet it was microsoft…