serial-number-generator/index.js

Generate a fake serial number!

const mainModule = {
    generateSerial: function generateSerial(length) {
    
        'use strict';
        
        var chars = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',
            
            serialLength = length,
            
            randomSerial = "",
            
            i,
            
            randomNumber;
        
        for (i = 0; i < serialLength; i = i + 1) {
            
            randomNumber = Math.floor(Math.random() * chars.length);
            
            randomSerial += chars.substring(randomNumber, randomNumber + 1);
            
        }
        
        return randomSerial;
        
    }
}
module.exports = mainModule