[Solved] Hello, working on Practice It-Javascript

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You have to get the first letter of the first name, and make sure that it is capital; first.toUpperCase().split()[0] outputs the first letter and ensures that it is capital.

function printName(first, last) {
    var fullName = last + "," + first.toUpperCase().split()[0] + ".";
    // "," should be ", " ; with a space
    return fullName;
}

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solved Hello, working on Practice It-Javascript