What is the result of the following code?var sym = Symbol("foo");console.log(typeof sym);

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Q: What is the result of the following code?

var sym = Symbol("foo");
console.log(typeof sym);

A symbol
B number
C string
D boolean

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Answer: A

Explanation:

The Symbol data type in JavaScript is a primitive data type that represents a unique identifier.
Symbols are created using the Symbol constructor, which takes an optional string description as an argument.
In this case, a new symbol is created using the Symbol constructor, with the string "foo" as the description.
The typeof operator is called on the symbol, which returns the string "symbol".

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Q: What is the result of the following code? var sym = Symbol("foo"); console.log(typeof sym);

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Q: What is the result of the following code?
var sym = Symbol("foo"); console.log(typeof sym);