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Use this tag for questions about using, storing or manipulating integral values of all types and sizes, including concerns about overflow. Not for code that casually happens to use integers.

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Long arithmetic addition in JS

, base) { for (var i = 0; i + 1 < integer.length; ++i) { var s = FILL_STRING + integer[i] integer[i] = s.substr(s.length - base) } return integer.reverse().join(''); } function plainWithDifferentBase … plainWithDifferentBase: 23848ms plain: 182856ms Performance improvements related to interpreter Look at this: formatting list of variables converting character to integer using charCodeAt preallocating …
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