Q. Which operator is used for optional chaining in JavaScript?

जावास्क्रिप्ट में वैकल्पिक चेनिंग के लिए किस ऑपरेटर का उपयोग किया जाता है?

A
?.
B
?:
C
??
D
&&

Explanation

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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Syntax, Variables, Values, Data Types Error Handling Modules and Regular Expressions Indexed Collections Introduction of JavaScript

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