sasha_eddy
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Now, it works... many thanks...
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Hi, i need help for this error, I keep getting this error -->> "Unable to get value of the property 'innerHTML': object is null or undefined" when am running the program in IE & nothing is running in other web browsers... Below is the javascript (JScript.js) code: var output = document.getElementById('output'), pressed = {}; window.onkeydown = function (e) { if (pressed[e.which]) return; pressed[e.which] = e.timeStamp;}; window.onkeyup = function (e) { if (!pressed[e.which]) return; var duration = (e.timeStamp - pressed[e.which]) / 1000; output.innerHTML += '<p>Key ' + e.which + ' was pressed for ' + duration + ' seconds</p>'; pressed[e.which] = 0;}; Here is my asp code (test.aspx): <html><head><title>XXX</title></head><body> <h1>Keystroke Dynamics</h1> <p>Try pressing some keys on your keyboard ...</p> <script type="text/javascript" src="JScript.js"></script> <div id="output"></div></body></html> May I know the problem that cause this error & how can I correct it?? I tried the same program in php and it works but not in asp.net 2010...Thank you...
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Thank you sir,I have this idea to apply keystroke dynamics authentication by using text password. I would like to write a program that can capture my keystroke style and save it in database, timing is involved because people might press the keyboard keys differently while typing their password. So, I can compare my keystroke style with other users to see if they can impose me even they know my password....
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Hi, I'm newbie & just have self-learning a few weeks ago...I've tried to understand how to implement my idea into asp.net vb programming & javascript. I've done all parts except the keystroke part.I would like to calculate the keyhold time of a keypress in ms & also the inter-key latency time between 2 keys. The idea is as below:key 'A' is pressed (keydown) - record keyhold timekey 'A' is depressed (keyup) - record keyhold timekey 'A' is pressed & key 'B' is depressed - record inter-key latency time And also, I need ideas how to put my keystroke data into database. Should I record the key character also??Example: A.down.time || A.up.time || A.B.timeWhat do you think is the simplest way to do as I'm a beginner... Tq. . . v()//