Last Option In Array (Numbers) (Checkboxes) column Excludes All Others

<script type="text/javascript" charset="utf-8">	
	$(document).on('ready pjax:scriptcomplete',function(){
 
		// Identify this question
		var qID = '{QID}';
		var thisQuestion = $('#question'+qID);
 
		// Assign column-specific attributes and classnames
		$('tr.subquestion-list', thisQuestion).each(function(i) {
			$('> *', this).each(function(i) {
				$(this).attr('data-column', i);
			});
		});
		$('tr.subquestion-list:last td.answer-item', thisQuestion).addClass('exclusive-item');
 
		// A function to un-check boxes
		function resetCheckbox(thisItem) {
			$(':hidden', thisItem).val('');
			$(':checkbox', thisItem).prop('checked', false).trigger('change');
		}
 
		// Listener on the checkboxes
		$(':checkbox', thisQuestion).on('change', function(e) {
			if($(this).is(':checked')) {
				var thisItem = $(this).closest('.answer-item');
				var thisColumn = $(thisItem).attr('data-column');
				var items = $('td.answer-item[data-column="'+thisColumn+'"].exclusive-item', thisQuestion);
				if($(thisItem).hasClass('exclusive-item')) {
					items = $('td.answer-item[data-column="'+thisColumn+'"]:not(.exclusive-item)', thisQuestion);
				}
				$.each(items, function(i, el) {
					resetCheckbox(el);
				});
			}
		});
    });
</script>

<script type="text/javascript" charset="utf-8">	
	$(document).on('ready pjax:scriptcomplete',function(){
 
		// Identify this question
		var qID = '{QID}';
		var thisQuestion = $('#question'+qID);
 
		// Assign column-specific attributes and classnames
		$('tr.subquestion-list', thisQuestion).each(function(i) {
			$('> *', this).each(function(i) {
				$(this).attr('data-column', i);
			});
		});
		$('tr.subquestion-list:last td.answer-item', thisQuestion).addClass('exclusive-item');
 
		// A function to un-check boxes
		function resetCheckbox(thisItem) {
			$(':hidden', thisItem).val('');
			$(':checkbox', thisItem).prop('checked', false).trigger('change');
		}
 
		// Listener on the checkboxes
		$(':checkbox', thisQuestion).on('change', function(e) {
			if($(this).is(':checked')) {
				var thisItem = $(this).closest('.answer-item');
				var thisColumn = $(thisItem).attr('data-column');
				var items = $('td.answer-item[data-column="'+thisColumn+'"].exclusive-item', thisQuestion);
				if($(thisItem).hasClass('exclusive-item')) {
					items = $('td.answer-item[data-column="'+thisColumn+'"]:not(.exclusive-item)', thisQuestion);
				}
				$.each(items, function(i, el) {
					resetCheckbox(el);
				});
			}
		});
 
		// The subquestion code to place in the last position
		var fixedCode = 'A20';
 
		// Move the "fixed" row to the end
		$('table.subquestion-list tbody:last', thisQuestion).append($('tr[id$="X'+qID+fixedCode+'"]'));
 
		// Fix up the array row background colours
		$('tr.answers-list', thisQuestion).each(function(i){
			$(this).removeClass('array1 array2').addClass('array'+(2-(i%2)));
		});
    });
</script>

<script type="text/javascript" charset="utf-8">	
	$(document).on('ready pjax:scriptcomplete',function(){
 
		// Identify this question
		var qID = '{QID}';
		var thisQuestion = $('#question'+qID);
 
		// Assign column-specific attributes and classnames
		$('tr.subquestion-list', thisQuestion).each(function(i) {
			$('> *', this).each(function(i) {
				$(this).attr('data-column', i);
			});
		});
		$('tr.subquestion-list:last td.answer-item', thisQuestion).addClass('exclusive-item');
 
		// A function to un-check boxes
		function resetCheckbox(thisItem) {
			$(':hidden', thisItem).val('');
			$(':checkbox', thisItem).prop('checked', false).trigger('change');
		}
 
		// Listener on the checkboxes
		$(':checkbox', thisQuestion).on('change', function(e) {
			if($(this).is(':checked')) {
				var thisItem = $(this).closest('.answer-item');
				var thisColumn = $(thisItem).attr('data-column');
				var items = $('td.answer-item[data-column="'+thisColumn+'"].exclusive-item', thisQuestion);
				if($(thisItem).hasClass('exclusive-item')) {
					items = $('td.answer-item[data-column="'+thisColumn+'"]:not(.exclusive-item)', thisQuestion);
				}
				$.each(items, function(i, el) {
					resetCheckbox(el);
				});
			}
		});
 
		// The subquestion code to place in the last position
		var fixedCode = 'A20';
 
		// Move the "fixed" row to the end
		$('table.subquestion-list tbody:last', thisQuestion).append($('tr[id$="X'+qID+fixedCode+'"]'));
 
		// Fix up the array row background colours
		$('tr.answers-list', thisQuestion).each(function(i){
			$(this).removeClass('array1 array2').addClass('array'+(2-(i%2)));
		});
    });
</script>