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दिए गए कथनों में से कौन सा कथन जावास्क्रिप्ट में क्लोजर को परिभाषित करता है? , Among the given statements, which statement defines closures in JavaScript?
Among the given statements, which statement defines closures in JavaScript?
A.
JavaScript is a function that is enclosed with references to its inner function scope
जावास्क्रिप्ट एक ऐसा फ़ंक्शन है जो इसके आंतरिक कार्य क्षेत्र के संदर्भ में संलग्न है
B.
JavaScript is a function that is enclosed with references to its lexical environment
जावास्क्रिप्ट एक ऐसा फ़ंक्शन है जो इसके शाब्दिक वातावरण के संदर्भ में संलग्न है
C.
JavaScript is a function that is enclosed with the object to its inner function scope
जावास्क्रिप्ट एक ऐसा फ़ंक्शन है जो ऑब्जेक्ट के साथ उसके आंतरिक कार्य क्षेत्र में संलग्न होता है
D.
None of the mentioned
उल्लेख में से कोई नहीं
Solution
B. JavaScript is a function that is enclosed with references to its lexical environment
Explanation
A closure is a function that is enclosed with references to its lexical environment. A closure allows an inner function to access the scope of an outside function. Closures are formed every time a function is created in JavaScript, during function creation time.
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