Measure the difference between two strings
One of the fastest JS implementations of the Levenshtein distance algorithm
$ npm install leven
const leven = require('leven'); leven('cat', 'cow'); //=> 2
$ npm run bench
165,926 op/s » leven 164,398 op/s » talisman 1,044 op/s » levenshtein-edit-distance 628 op/s » fast-levenshtein 497 op/s » levenshtein-component 195 op/s » ld 190 op/s » levenshtein 168 op/s » levdist 10 op/s » natural
MIT © Sindre Sorhus