Optional Chaining Operator Javascript Tutorial XaIr GIjjFc

Web Reference: Jul 8, 2025 · The optional chaining (?.) operator accesses an object's property or calls a function. If the object accessed or function called using this operator is undefined or null, the expression short circuits and evaluates to undefined instead of throwing an error. In this tutorial, you'll learn about the optional chaining operator (?.) that simplifies the way to access values through connected objects Description The Optional Chaining ( ?. ) Operator returns undefined if an object is undefined or null (instead of throwing an error).

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