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@OlegLustenko
Created March 14, 2016 09:13
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Adding big numbers JavaScript (from codewars.com)
function add (a, b) {
let res = '', c = 0
a = a.split('')
b = b.split('')
while (a.length || b.length || c) {
c += ~~a.pop() + ~~b.pop()
res = c % 10 + res
c = c > 9
}
return res
}
@aquinatus96
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Why you are using the bitwise double NOT operator in line 6. Is this way to handle negative numbers, but then why are you not adding one to them?

@gregnicotera
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I think the double bitwise NOT operator is checking for undefined

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