I updated my article to reflect our conversation (seemed too useful not to)
I think this goes back to an odder quirk of JavaScript where sometimes undefined also means "undeclared", but not always.
undefined
this "implicit undefined" is really more like an "undeclared", but JavaScript doesn't provide a means to distinguish the two very easily.
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I updated my article to reflect our conversation (seemed too useful not to)
I think this goes back to an odder quirk of JavaScript where sometimes
undefinedalso means "undeclared", but not always.this "implicit undefined" is really more like an "undeclared", but JavaScript doesn't provide a means to distinguish the two very easily.