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Question from the Javascript test

Fix the following Javascript function:

Hard

Considering the following function:

function sum() {
    return arguments.reduce(function(total, nb) {
        return total + nb;
    }, '');
}

What will happen if we execute the following expression?

sum(1, 2, 3, 4);

Author: AdrienStatus: Published(Update)Question passed 34 times
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