NIELIT O Level Exam

Which statement specify correct difference between var and let keywords in JavaScript ?

Which statement specify correct difference between var and let keywords in JavaScript ?

कौन सा कथन जावास्क्रिप्ट में var और let कीवर्ड के बीच सही अंतर निर्दिष्ट करता है?

A. var defines a variable while let defines a constant.

B. There is no such major difference between them.

C. The value of a variable declared with var can be changed while the value of a variable declared with let cannot be changed.

D. var defined function scoped variable while let define block scoped variable.




Correct Answer is :

D. var defined function scoped variable while let define block scoped variable.



Latest Current Affairs 2025 Online Exam Quiz for One day Exam Online Typing Test CCC Online Test Python Programming Tutorials Best Computer Training Institute in Prayagraj (Allahabad) Online MBA 2 years Online MCA Online BCA Best Website and Software Company in Allahabad