javascript keylogger

Pure JS, no JQuery

The goal is to create [login to view URL] file that will do the following

You can include it in any exitsing webpage

<script src=”[login to view URL]”></script>

There are 2 manners to init it:

In input type=”text” or textarea as propriety

<input type=”text” id =”input1” keylogger”>

<input type=”text” id =”input2””>

<textarea id=”textarea1”></textarea>




Then the script will spy the input or textarea and will store on each keypress

Ex: an user types in “hello”:

{session:1, inputid:’#input2’, time: 0, dif: ‘+h’}

{session:1, inputid:’#input2’, time: 120, dif: ‘+e’}

{session:1, inputid:’#input2’, time: 1500, dif: ‘+l’}

{session:1, inputid:’#input2’, time: 1900, dif: ‘+l’}

{session:1, inputid:’#input2’, time: 3500, dif: ‘+o’}

session: just a number (ex: 1)

inputid: is the input id

time : is the time in milliseconds where change occurs

dif: is the text difference storage.

Save (ajax post) these datas to mysql database

The difficulty would be : store the difference of texts between 2 keypress:

Ex: an user deletes some text or put the cursor in middle on text and inserts a char

Some interesting “text difference” libraries:

Ex: [login to view URL]

Since input make be long (many kilos), we cannot store the whole value of the input, but only the text differences between 2 keystrokes.

Second PART

Then once we have the data saved, we should be able to “play it back” including the time changes, by loading the session data (ex: session1)

So if the input takes 10 seconds, it should least 10 second on playBack as well


Also include a slider so user can move inside timeline

ex: So if the input takes 90 seconds, it should least 90 second on playBack; however user can move with his slider directly to second; 45 or second 90.

Compétences : Javascript

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Concernant l'employeur :
( 122 commentaires ) Lille, France

Nº du projet : #17667819

11 freelance font une offre moyenne de $168 pour ce travail


Hi :) Really interesting project! That's why I wanted to send you my proposal and ideas :) First, doing this in vanilla JS is not a problem. Capturing key strokes and storing user input as he/she types on the Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 10 jours
(31 Commentaires)

Hello ! thank you for your post. I have read the your description carefully. I have the sufficient experience(more 5 years) in developing of web app/hybrid app(interactive with keypress , animation, game, drag/drop Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(13 Commentaires)

Hi, I read carefully your project, and I wanna do it for you. If you wanna work together, send me a message to discuss details. I am an experienced Web Developer and Web Designer, and have worked with wide variety of s Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(15 Commentaires)

Hello, I am a front end developer since 2012 and JS (vanilla) is what I do all day every day. I am very good with pure JS and I can do part one for maximum 2 days. Part 2 is going to last may be longer depending on Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(5 Commentaires)

I have gone thorough your job post and I am ready to develop a KEYLOGGER in JS. I have prior experience of developing similar kind of scripts for various needs. Please share your best discussion time to move further.

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(3 Commentaires)

Hello! I'm a backend web developer who also has knowledge of JavaScript, and I'll be more than happy to help you with your project. I will give you the result in 2 days, and the result will be a JS file capable of d Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 2 jours
(2 Commentaires)

Hi. I'm very interested in your project. I'm a web developer with several years' experience. My expertise skills include HTML5, CSS3, jQuery, AngularJS, Bootstrap, PHP, Python, ASP.NET, Node.js. If your project is Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(1 Évaluation)

I have 5 years of experience in Web, Logos, Illustrations, Banners and Brochures design. I provide solutions for companies or individuals interested in outsourcing their design needs. I specialize in developing high Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(1 Évaluation)

Hello, I'm a java web Developer . I have experience in Spring, Spring Security, Hibernate, JSP, JSTL, JavaScript, jQuery, Bootstrap. I can write this script without jQuery if you want. Here are some of my projects th Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(1 Évaluation)

I am very proficient in Javascript and I find your request very enjoyable. I would love to work on that.

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 10 jours
(0 Commentaires)

Okay, I already established the method and I am sure that I can finish this in a day. I am sure! Please give me a chance. This is problem of algorithm.

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(0 Commentaires)