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inverseNum(number); /* Inverse the number from positive to negative, or vice versa */ inverseNum(15); // -15 inverseNum(-8); // 8
Solution by - Need4Swede
function inverseNum(number) { // Multiply number by two, and subtract it by its initial value to get its inverse number = number - (number * 2); // Returns the value of number return number; }
Alternatively, you can write it like this...
function inverseNum(number) { return(-number); }
Try it yourself - Codewars Source
You can also use my built-in JavaScript console