Thanks for this addition. Nullish coalescing operator (??) and optional chaining (?.) are indeed very useful. Nevertheless, the real check for undefined is the one I've described. If you want to check if the property is undefined like in my example - a simple if-statement with typeof is the way to go.
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Thanks for this addition. Nullish coalescing operator (
??) and optional chaining (?.) are indeed very useful. Nevertheless, the real check forundefinedis the one I've described. If you want to check if the property isundefinedlike in my example - a simpleif-statement withtypeofis the way to go.