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<script type="text/javascript" charset="utf-8"> function maxDiff(qID, randomize) { // Identify some elements var thisQuestion = $('#question'+qID); var thisTable = $('table.subquestion-list:eq(0)', thisQuestion); // Assign a new question class $(thisQuestion).addClass('max-diff-array'); // Move the columns $('thead tr:eq(0)', thisTable).prepend($('thead tr:eq(0) th:eq(1)', thisTable)); $('tr.answers-list', thisTable).each(function(i){ $('td.answer-item:eq(0)', this).prependTo(this); }); // Random rows if(randomize) { var rowsArr = []; $('tr.answers-list', thisTable).each(function(i){ $(this).attr('data-index', i); rowsArr.push(i); }); shuffleArray(rowsArr); $(rowsArr).each(function(i){ $('tbody', thisTable).append($('tr[data-index="'+this+'"]', thisTable)); }); } // Prevent clicking twice in the same row $('input[type="radio"]', thisQuestion).on('click', function () { $('input[type="radio"]', thisQuestion).prop('disabled', false); $('input[type="radio"]:checked', thisQuestion).each(function(i) { var thisRow = $(this).closest('tr.answers-list'); $('input[type="radio"]', thisRow).not(this).prop('disabled', true); }); }); // Fix up the row classes var rowClass = 1; $('tr.answers-list', thisTable).each(function(i) { $(this).addClass('array'+(2-(i%2))); }); } function shuffleArray(array) { for (var i = array.length - 1; i > 0; i--) { var j = Math.floor(Math.random() * (i + 1)); var temp = array[i]; array[i] = array[j]; array[j] = temp; } return array; } $(document).ready(function(){ // Call the maxDiff() function // Set the second parameter to true for randomized rows maxDiff({QID}, true); }); </script> <style type="text/css">.ls-answers tbody .answertext{ text-align:center !important; } </style>
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It was done before we have QuestionThemeI do appreciate this solution and will possibly use it, but is it really necessary to do this with Javascript?
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