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Small update in a Javascript application (1 hour task)

I want to implement a simple JS/HTML/CSS Slot machine on my website. I've got open source code from GitHub that works 95% but it lacks 3 things:

1. Can we rig it so that every 100 tries someone wins, then every 500 tries someone wins, but all the other times there is no winner?

2. Can it auto stop, not manually stop

3. When someone wins, can JS save the winner in a text file or db (communicate with PHP/MySQL basically)

Any JS guru out there to help

Skills: Javascript, PHP, CSS, jQuery / Prototype, MySQL

About the Employer:
( 15 reviews ) Nairobi, Kenya

Project ID: #21262624

18 freelancers are bidding on average $29 for this job

nisharapath

Hello, how are you? Thank you for your project posting. Here is Eric, skilled with javascript. As a senior web developer I can deliver your project with good result and short timeline. I really want to work with you. P More

$40 USD in 1 day
(40 Reviews)
6.1
tainguyen1990

Hello sir, I have read your requirement. I can help you fix the errors of that website I have a lot of experience in programming as .NET,PHP, Wordpress, JQuery, Laravel, Codeigniter , Angularjs, Nodejs etc

$20 USD in 7 days
(20 Reviews)
5.3
ankitbagre2000

Hello, I'm Ankit I'm interesting your project very well I'm good in Website Design,PSD TO HTML HTHML, CSS , JAVASCRIT, JQUERY, AJAX, PHP, Wordpress,Codeigniter,laravel and mysql ,Phonegap expert. I’m quite well ex More

$20 USD in 7 days
(39 Reviews)
5.1
kdwebsolution9

I am having expertise in php Html, CSS, HTML5, CSS3, Bootstrap framework,Jquery, javascript graphic design website design . I have done more than 60 Jobs of Psd to Html. It will be compatible to All browsers and More

$30 USD in 7 days
(24 Reviews)
4.8
SmithZhang

Hello I have read your requirement carefully and I am interested in your project. I am a senior website developer and I have many experienced for +7 years,. My skills are PHP, HTML, CSS, Javascript, Python, Nodejs, Rea More

$30 USD in 2 days
(23 Reviews)
4.7
romancoder204

Hello. I 'm full-time developer and an expert in javascript in my precious working years i have finished many successful projects with 100% customer satisfaction. What makes me better than others is my punctuality and More

$20 USD in 7 days
(20 Reviews)
4.6
satyaguts

These are very easy task and can do these tasks easily in just 1-2hrs.....................................

$10 USD in 1 day
(23 Reviews)
4.1
olrya

"Possible" ⭐⭐⭐ Greetings, Dear Client! Very interesting for your project ⭐⭐⭐ I am a Professional Fullstack Web Developer. I have much experience of 5+ years in Web design and development. If you hire me, you'll see my More

$20 USD in 1 day
(17 Reviews)
3.6
SashaMorozov

Hello, dear. It's nice to meet you. I'm glade to visit my profile. I looked very carefully at your project. I think I am very suited at performing your project. I have been working in the Web for a very long time and t More

$20 USD in 1 day
(6 Reviews)
3.2
NavilPolyakov

⭐Hi.⭐ I have read your job post carefully and I am very interested in your project I am a senior developer and I have rich experience 6+ years in Website Design and development. My skill is: Front End: HTML, CSS, CSS3 More

$10 USD in 1 day
(5 Reviews)
3.3
Codiggin

Javascript expert and games enthousiasthere. I can alter the script to fit your needs and add the back-end code to save the winners (if we need a back-end because JavaScript can only save to client-side and I guess yo More

$80 USD in 5 days
(15 Reviews)
4.7
shahzaibkhan19

Hi there! This is Shahzaib. I have reviewed your project, and I would really be interested in working on your project. If you need any revision, I will provide you FREE of cost until I get your 100% satisfaction. And I More

$25 USD in 1 day
(7 Reviews)
3.0
Bobkov

Good afternoon. I'm very interested in your work. And I have rich experience in JS, JQuery, PHP and MySql. If you hire me, I'll provide you perfect result. Thank you.

$15 USD in 1 day
(5 Reviews)
1.7
dcprogrammerz

hi , i m ready to do this website for [login to view URL] ping me on chat for more details.

$20 USD in 7 days
(0 Reviews)
0.0
netforthoffpage

|Hello| I have read your requirement very carefully and I am very interested in your job. I have more than 5 years of experience in open source technologies like LAMP & MEAN Stack as well as highly efficient in MVC co More

$20 USD in 1 day
(0 Reviews)
0.0
rhondacubit

Hi there, I can help you with updating a Javascript application. Please enable chat for further details and discussion. I am eager to communicate with you on this valuable project. Best wishes, Rhonda Cubit.

$100 USD in 2 days
(0 Reviews)
0.0
PixaletsInc

Hello, After reviewing your post, I am very interested in that due to my experience. I'm expertise in php, core php, CMS, HTML5, bootstrap, wordPress and many other technologies. I have 8+ year of experience in develop More

$20 USD in 7 days
(0 Reviews)
0.0
mishrasuresh44

Hi friend, I understood your requirements, however after seeing the code we can tell whether it's 1 hour job or one week. As you have mentioned that you want three things, So I am ready to take the same as task wise no More

$28 USD in 7 days
(0 Reviews)
0.0