unique-random

Generate random numbers that are consecutively unique

unique-random

Generate random numbers that are consecutively unique.

Useful for eg. slideshows where you don't want to have the same slide twice in a row.

$ npm install --save unique-random
var rand = require('unique-random')(1, 10);
console.log(rand(), rand(), rand());
//=> 5 2 6 

Returns a function which when called will return a random number that's never the same as the previous number.

MIT © Sindre Sorhus