|  | @@ -35,19 +35,18 @@ app.clearFilter = function() {
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				|  |  |  	app.filterTable("");
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				|  |  |  };
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				|  |  |  
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				|  |  | -app.sortTable = function() {
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				|  |  | -	// borrowed from https://stackoverflow.com/a/49041392/7342859
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				|  |  | -	const getCellValue = (tr, idx) => tr.children[idx].innerText || tr.children[idx].textContent;
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				|  |  | +app.getCellValue = (tr, idx) => tr.children[idx].innerText || tr.children[idx].textContent;
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				|  |  |  
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				|  |  | -	const comparer = (idx, asc) => (a, b) => ((v1, v2) => 
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				|  |  | +app.comparer = (idx, asc) => (a, b) => ((v1, v2) => 
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				|  |  |  		v1 !== '' && v2 !== '' && !isNaN(v1) && !isNaN(v2) ? v1 - v2 : v1.toString().localeCompare(v2)
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				|  |  | -	)(getCellValue(asc ? a : b, idx), getCellValue(asc ? b : a, idx));
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				|  |  | +	)(app.getCellValue(asc ? a : b, idx), app.getCellValue(asc ? b : a, idx));
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				|  |  |  
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				|  |  | -	// do the work...
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				|  |  | +app.sortTable = function() {
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				|  |  | +	// borrowed from https://stackoverflow.com/a/49041392/7342859
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				|  |  |  	document.querySelectorAll('th').forEach(th => th.addEventListener('click', (() => {
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				|  |  |  		const table = document.getElementById("dataRows");
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				|  |  |  		Array.from(table.querySelectorAll('tr:nth-child(n+2)'))
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				|  |  | -			.sort(comparer(Array.from(th.parentNode.children).indexOf(th), this.asc = !this.asc))
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				|  |  | +			.sort(app.comparer(Array.from(th.parentNode.children).indexOf(th), this.asc = !this.asc))
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				|  |  |  			.forEach(tr => table.appendChild(tr) );
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				|  |  |  
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				|  |  |  		const sorted = " (sorted)";
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