hamming distance - nodef/extra-string GitHub Wiki
Get Hamming distance between strings.
const hammingDistance = require('string-hammingdistance');
// hammingDistance(<string-1>, <string-2>)
hammingDistance('rowan', 'raven');
// 3
hammingDistance('atkinson', 'atkinson');
// 0
hammingDistance('bean', 'green');
// NaN (strings are of different length)