Why "Const" has a block scope not a function scope

#1

Why “const” variable has a block scope not a function scope. Please explain me with the help of a suitable JavaScript Code.

#2

Constants are block-scoped, much like variables declared using the let keyword. The value of a constant can’t be changed through reassignment, and it can’t be redeclared.
Eg:
const number = 42;

try {
number = 99;
} catch (err) {
console.log(err);
// expected output: TypeError: invalid assignment to const `number’
// Note - error messages will vary depending on browser
}

console.log(number);
// expected output: 42

I would say go through MDN docs as they are very precise and explain better than me, if you still have doubts you can reply back.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const

#3

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