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| 1 | <html> | |
| 2 | <head> | |
| 3 | <script src="http://code.jquery.com/jquery-1.11.3.min.js"></script> | |
| 4 | <script> | |
| 5 | function runTest(randSample) | |
| 6 | {
| |
| 7 | var maxRun = 0; //the highest straight run of the same results (ex 10 heads in a row) | |
| 8 | var currentRun = 0; //the current highest run while looking at the results since the last change in result | |
| 9 | var runsCount = 0; //how many runs of x length where x = $runsAmount | |
| 10 | var runsAmount = 5; //the number of results in a row that counts as a suspicious run | |
| 11 | var zerosTotal = 0; //the current count of zeros(heads) | |
| 12 | var onesTotal = 0; //the current count of ones(tails) | |
| 13 | var lastResult = -1; //keep track of the last result to check for runs | |
| 14 | ||
| 15 | for (index = 0; index < randSample.length; index++) | |
| 16 | {
| |
| 17 | var result = randSample[index]; //The current result we are looking at | |
| 18 | ||
| 19 | if(result.trim() == "") | |
| 20 | {
| |
| 21 | continue; //this is just to make sure the result is there and it's not empty | |
| 22 | } | |
| 23 | ||
| 24 | //keeps track of the longest run of heads or tails | |
| 25 | if(lastResult == result) | |
| 26 | {
| |
| 27 | currentRun = currentRun + 1; | |
| 28 | } | |
| 29 | else | |
| 30 | {
| |
| 31 | if(currentRun > maxRun) | |
| 32 | {
| |
| 33 | maxRun = currentRun; | |
| 34 | } | |
| 35 | if(currentRun >= runsAmount) | |
| 36 | {
| |
| 37 | runsCount = runsCount + 1; | |
| 38 | } | |
| 39 | currentRun = 0; | |
| 40 | } | |
| 41 | ||
| 42 | //keeps track of how many zeros (heads) are in the set | |
| 43 | if(result == 0) | |
| 44 | {
| |
| 45 | zerosTotal = zerosTotal + 1; | |
| 46 | } | |
| 47 | ||
| 48 | //keeps track of how many ones (tails) are in the set | |
| 49 | if(result == 1) | |
| 50 | {
| |
| 51 | onesTotal = onesTotal + 1; | |
| 52 | } | |
| 53 | ||
| 54 | lastResult = result; | |
| 55 | } | |
| 56 | ||
| 57 | totalFlips = zerosTotal + onesTotal; | |
| 58 | ||
| 59 | - | return "<b>Heads:</b> " + zerosTotal + "/" + totalFlips + " flips<br><b>Tails:</b> " + onesTotal + "/" + totalFlips + " flips<br><b>Highest run length:</b> " + maxRun + " in a row<br><b>Total count of runs lasting " + runsAmount + " flips:</b> " + runsCount; |
| 59 | + | return "<b>Heads:</b> " + zerosTotal + "/" + totalFlips + " flips<br><b>Tails:</b> " + onesTotal + "/" + totalFlips + " flips<br><b>Highest run length:</b> " + maxRun + " in a row<br><b>Total count of runs lasting " + runsAmount + " flips or more:</b> " + runsCount; |
| 60 | } | |
| 61 | ||
| 62 | $(document).ready(function () {
| |
| 63 | var numberOfTests = 10000; //10,000 is the max random.org can create at once | |
| 64 | $.ajax({
| |
| 65 | url: "https://www.random.org/integers/?num=" + numberOfTests + "&min=0&max=1&col=1&base=10&format=html&rnd=new", | |
| 66 | success: function (data) {
| |
| 67 | ||
| 68 | //This code creates the random.org RNG results | |
| 69 | $('#RNG').html(runTest($(data).find('pre').html().split("")));
| |
| 70 | ||
| 71 | var randSample = []; | |
| 72 | ||
| 73 | //This code creates the javascript RNG results | |
| 74 | for (index = 0; index < numberOfTests; index++) | |
| 75 | {
| |
| 76 | randSample[index] = '' + Math.floor((Math.random() * 2)); | |
| 77 | } | |
| 78 | $('#PRNG').html(runTest(randSample));
| |
| 79 | }, | |
| 80 | error: function (data){
| |
| 81 | $('div').html('There was an error getting to Random.org\'s website');
| |
| 82 | } | |
| 83 | }); | |
| 84 | }); | |
| 85 | </script> | |
| 86 | </head> | |
| 87 | <body> | |
| 88 | <h1>Random Test</h1> | |
| 89 | <p>Definition of a "Run": A run is when you get the same result (heads or tails) in a row. For instance if you get 10 heads in a row it would be called a run of 10.<p> | |
| 90 | <h2>Random.org RNG results</h2> | |
| 91 | <div id="RNG"></div> | |
| 92 | <h2>Javascipts RNG results</h2> | |
| 93 | <div id="PRNG"></div> | |
| 94 | </body> | |
| 95 | </html> |
