What are the best practices for using 'var' in JavaScript?
Using 'var' can lead to issues with variable scope. It's best to use 'let' or 'const' for block scoping.
Why should I prefer 'let' or 'const' over 'var'?
'let' and 'const' provide block scope, which helps prevent variable hoisting issues and makes your code more predictable.
Are there any situations where using 'var' is still acceptable?
Yes, 'var' can be used in legacy code or when you need function scope, but it's generally better to avoid it in new code.
What are the differences between 'let', 'const', and 'var'?
'let' allows reassignment, 'const' does not allow reassignment, and 'var' has function scope, which can lead to confusion.
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