leven 
Measure the difference between two strings
One of the fastest JS implementations of the Levenshtein distance algorithm
Install
$ npm install leven
Usage
const leven = require('leven');
leven('cat', 'cow');
//=> 2
Benchmark
$ 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
Related
- leven-cli - CLI for this module
License
MIT © Sindre Sorhus