Question: What will the given JavaScript do when processed by the browser? let firstName = Mary; Group of answer choices Create a global scope variable named

What will the given JavaScript do when processed by the browser?
let firstName = "Mary";
Group of answer choices
Create a global scope variable named firstName.
Create a local scope variable named firstName.
Throw an "unknown variable name" error in the console.
Change an existing variable into firstName with the given value.

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