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Which is the correct syntax to declare a constant in JavaScript?

23. Which is the correct syntax to declare a constant in JavaScript?

1. const constant_name;
2. constant_name const;
3. constant_name const = value;
4. const constant_name = value;

Answer: D) const constant_name = value;

Explanation:

The correct syntax to declare a constant is:

const constant_name = value;

Example:

const PI = 3.14;