Little Scriipt Extension for a specific web

I need a little extension to chrome or firefox ( You choose the best for the mission) is for a specific web

The mission is simple I want to calculate and fill as quickly as possible just one field with a formula inmediatly when the another element changes and invoque a "Click" event button , The formula is the following.

Field X = Price - (Price * percentage change) - Parameter_that_you_ask_before

Price and Percentage change are in the web so you have to get from there.

The operation should be checked each 0.01 [url removed, login to view] seconds and executed from the browser You should ask if the text change ( That I will to tell you which one ) and executed the little script. But this script should be executed just in where I'm participating. ( I thing that the most simple way is that before to enable the script you ask for the link and if the link is the same then executed the script, )

So exist 2 parameter that you should ask in the script: the link and the last parameter in the formula above.

Skills: Firefox, Google Chrome, Javascript

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About the Employer:
( 12 reviews ) Quito, Ecuador

Project ID: #2792102

12 freelancers are bidding on average $100 for this job


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$100 USD in 2 days
(22 Reviews)

I have the required skills and experience to work on this project.I am confident of delivering your project in time.

$50 USD in 1 day
(34 Reviews)

I'm a Firefox and Chrome extension developer

$50 USD in 1 day
(24 Reviews)

Hi , I am interested in taking this project. Please check my PMB for more details.

$200 USD in 5 days
(5 Reviews)

Hello, I have experience developing Chrome extensions. I also happen to have some experience with bot-like applications. I'm the man for this job. More in PM.

$100 USD in 7 days
(6 Reviews)

Hello, I'm interested in working with you. I have experience with Chrome extensions and I am willing to create an efficient solution to your problem. Could you please send me more details about the project, so that I More

$30 USD in 1 day
(12 Reviews)

Hello Sir, I m a experienced Browser Extension developer and would love to work on this Project.

$150 USD in 5 days
(4 Reviews)

I just finished a Google Chrome extension. Fresh off the brain, ready to start now. Extensive knowledge in Google Chrome extensions too.

$85 USD in 3 days
(1 Review)

i can do this by greasemonkey,just let me help you

$50 USD in 1 day
(0 Reviews)

I can develop for you an Firefox Add On for your requeriments. I am avaliable to work on this in the weekends.

$30 USD in 5 days
(0 Reviews)

Custom software development: w w w . The Administrator removed this message for containing contact details which breaches our Terms of Service . i o

$250 USD in 1 day
(0 Reviews)

I could do it with Firefox or Chrome or even using [url removed, login to view] which let's you run Javascript in your browser using the same script in Chrome or in Firefox.

$100 USD in 1 day
(0 Reviews)