<script language="JavaScript"> <!-- hiding for old browsers var startTime=new Date(); var endTime=new Date(); var startPressed=false; var bgChangeStarted=false; var maxWait=20; var timerID; function startTest() { document.bgColor=document.response.bgColorChange.options[document.response.bgColorChange.selectedIndex].text; bgChangeStarted=true; startTime=new Date(); } function remark(responseTime) { var responseString=""; if (responseTime < 0.10) responseString="Odlično!"; if (responseTime >= 0.10 && responseTime < 0.20) responseString="Zelo dobro!"; if (responseTime >=0.20 && responseTime < 0.30) responseString="Lahko bi bilo boljše..."; if (responseTime >=0.30 && responseTime < 0.60) responseString="Vaja dela mojstra (še vadi)!"; if (responseTime >=0.60 && responseTime < 1) responseString="Ali si kaj pil?"; if (responseTime >=1) responseString="Ali si zaspal?"; return responseString; } function stopTest() { if(bgChangeStarted) { endTime=new Date(); var responseTime=(endTime.getTime()-startTime.getTime())/1000; document.bgColor="white"; alert("Tvoj odzivni čas je: " + responseTime + " sekund " + "\n" + remark(responseTime)); startPressed=false; bgChangeStarted=false; } else { if (!startPressed) { alert("Pritisni najprej Začni za začetek igre"); } else { clearTimeout(timerID); startPressed=false; alert("Goljuf! Pritisnil si prezgodaj!"); } } } var randMULTIPLIER=0x015a4e35; var randINCREMENT=1; var today=new Date(); var randSeed=today.getSeconds(); function randNumber() { randSeed = (randMULTIPLIER * randSeed + randINCREMENT) % (1 << 31); return((randSeed >> 15) & 0x7fff) / 32767; } function startit() { if(startPressed) { alert("Saj se je že začelo. Pritisni Ustavi za ustavitev testa"); return; } else { startPressed=true; timerID=setTimeout('startTest()', 6000*randNumber()); } } // --> </script> <p>Testiraj svoje odzivne čase!</p> Klikni na "Začni" in čakaj da se barva ozadja spremeni. Takoj ko se barva ozadja spremeni klikni na "Ustavi!" <form name="response"> Zamenjaj barvo ozadja v: <select name="bgColorChange"> <option selected>deeppink <option>aliceblue <option>crimson <option>darkkhaki <option>cadetblue <option>darkorchid <option>coral <option>chocolate <option>mediumslateblue <option>tomato <option>darkslategray <option>limegreen <option>cornflowerblue <option>darkolivegreen </select> <input type="button" value="Začni" onClick="startit()"> <input type="button" value="Ustavi!" onClick="stopTest()"> </form>