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Adding big numbers JavaScript (from codewars.com)
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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 | |
} |
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