Estimate password strength in javascript

On a scale of 0 = weak to 5.0 = strong.

$  npm install strength --save

No dependencies.

Usage

var strength = require('strength');

var password = 'password';

var howStrong = strength(password);

console.log(howStrong); // 0

Password criteria

• automatically fails 10,000 most common passwords
• letters, case, numbers, special characters
• length
• repitition

Tests

npm test

License

MIT

Author

Jeff Parrish @ruffrey