Global Corp. Challenge: fix mini leagues by accounting for missed entries

gcc-minileague.js

// content script for /event/mini-league/individual/
;(function () {
	var maxEntries = 0,
		sep = '',
		$t = $('.table-responsive'),
		sorted,
		strideLength = [];
		
	$t.find('th:eq(3)').text('FIXED');
	
	sorted = $t.find('tr').slice(1).each(function (i, e) {
		e.dataset.steps = +e.cells[4].innerText.replace(/\D/g, '');
		e.dataset.avg =  +e.cells[5].innerText.replace(/\D/g, '');
		e.dataset.entries = Math.round(e.dataset.steps / e.dataset.avg);
		
		strideLength.push(+e.cells[6].innerText.replace(/\D/g,'') / +e.dataset.steps);
		
		maxEntries = Math.max(maxEntries, e.dataset.entries);
		sep = e.cells[5].innerText.replace(/\d/g, '');
	}).each(function (i, e) {
		var name = e.cells[1].innerText,
			up2date = +e.dataset.entries === maxEntries ? '1' : '';
		
		e.dataset.fixed = up2date ? +e.dataset.steps : +e.dataset.avg * maxEntries;
		e.cells[3].style.fontWeight = 'bold';
		e.cells[3].style.color = up2date ? 'green' : 'red';
		e.cells[3].innerText = e.dataset.fixed.toString().replace(/\B(?=(\d{3})+(?!\d))/g, sep);
		
		if (!up2date) {
			e.cells[6].style.color = 'red';
			e.cells[6].style.fontWeight = 'bold';
			e.cells[6].innerText = Math.round(e.dataset.fixed * (strideLength.reduce(function(a,b){return a+b}) / strideLength.length) ) + ' km';
		}
	}).get().sort(function (a, b) {
		return +a.dataset.fixed < +b.dataset.fixed ? 1 : -1;
	});
	
	$(sorted).each(function (i, e) {
		var old = +e.cells[0].innerText;
		e.cells[0].innerText = '' + (i + 1) + (old !== i + 1  ? ' (' + old + ')' : '');
		
	}).appendTo($t.find('tbody'));
}())