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Discussion :: Javascript - CS

  1. Consider the following code snippet

    let x=x+1;
    console.log(x);

    What will be the result for the above code snippet?

    2. A.

     0
    B.

     Null
    C.

     ReferenceError
    D.

     NaN

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    Answer : Option D

    Explanation :

    Since x is a let variable and since x is undefined, so x+1 is NaN. Thus, the above code snippet prints NaN.

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