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    <p>I made a script that detects headers and sub-headers with colspans, but without rowspans in the table rows:</p> <pre><code>jQuery('#yourTable tbody td').bind('click',function(e) { var tr = jQuery(e.target).parent('tr'); var y = parseInt(jQuery('tr', this).index(tr)); var x = parseInt(tr.children('td').index(jQuery(e.target))); var jTdFecha = tr.find('td:first'); var sFecha = jTdFecha.text(); var arrCeldas = {}; var arrEncabezados = {}; var arrJFila = {}; var nTemp = 0; var jTdEncabezadoFecha,nCantCabeceras,jTemp, nI, nJ, nK, nL, bTemp; arrJFila[1]={ 'arrHijos' : jQuery('#yourTable tbody tr:first-child') }; jTdEncabezadoFecha = arrJFila[1]['arrHijos'].find('td:first'); nCantCabeceras = jTdEncabezadoFecha.attr('rowspan'); for(nI=1;nI&lt;=nCantCabeceras;nI++){ if(nI&gt;1){ arrJFila[nI]={ 'arrHijos' : arrJFila[nI-1]['arrHijos'].next() }; } arrCeldas[nI] = { 'arrHijos' : arrJFila[nI]['arrHijos'].children(), 'arrColspan' : {}, 'arrRowspan' : {}, 'nCant' : '', 'arrLastIndex' : {}, 'arrLastSavedColspan': {}, 'arrLastColspan': {} }; for(nJ=0;nJ&lt;=nCantCabeceras;nJ++){ arrCeldas[nI]['arrLastIndex'][nJ] = 0; arrCeldas[nI]['arrLastColspan'][nJ] = 0; arrCeldas[nI]['arrLastSavedColspan'][nJ] = 0; } } for(nI=1;nI&lt;=nCantCabeceras;nI++){ arrCeldas[nI]['nCant'] = arrCeldas[nI]['arrHijos'].length; nTemp = 0; for(nJ=0;nJ&lt;arrCeldas[nI]['nCant'];nJ++){ //Recorremos todas las celdas de cada cabecera jTemp = jQuery(arrCeldas[nI]['arrHijos'][nJ]); arrCeldas[nI]['arrColspan'][nJ] = parseInt(jTemp.attr('colspan')); arrCeldas[nI]['arrRowspan'][nJ] = parseInt(jTemp.attr('rowspan')); if(nI&gt;1){ for(nK=1;nK&lt;nCantCabeceras;nK++){ arrCeldas[nI]['arrLastColspan'] = arrCeldas[nI]['arrLastColspan']; if (nI-nK&gt;0){ //Recorremos las cabeceras anteriores bTemp = nK==1?true:((arrCeldas[nI]['arrLastColspan'][nK]&lt;=arrCeldas[nI]['arrLastColspan'][nK-1])); if(bTemp){ if(nI-nK==1){ bTemp = (arrCeldas[nI]['arrLastColspan'][nK]&lt;nTemp); } } //console.warn('nI: '+nI+' nK: '+nK+' arrLastColspan[nK='+nK+']:'+arrCeldas[nI]['arrLastColspan'][nK]+' arrLastColspan[nK-1='+(nK-1)+']:'+arrCeldas[nI]['arrLastColspan'][nK-1]); if(bTemp){ for(nL=arrCeldas[nI]['arrLastIndex'][nK];nL&lt;arrCeldas[nK]['nCant'];nL++){ if((parseInt(arrCeldas[nK]['arrRowspan'][nL])&lt;=1) || isNaN(parseInt(arrCeldas[nK]['arrColspan'][nL]))){ arrCeldas[nI]['arrLastIndex'][nK] = nL + 1; if(isNaN(parseInt(arrCeldas[nK]['arrColspan'][nL]))==false){ if((arrCeldas[nI]['arrLastColspan'][nK]&lt;=arrCeldas[nI]['arrLastSavedColspan'][nK-1]) || (nK==1)){ arrCeldas[nI]['arrLastColspan'][nK] += arrCeldas[nK]['arrColspan'][nL]; } } break; nL = 999999; //salimos del FOR. } if(nL!= 999999){ if(isNaN(parseInt(arrCeldas[nK]['arrColspan'][nL]))==false){ if(arrCeldas[nI]['arrLastColspan'][nK]&lt;=arrCeldas[nI]['arrLastSavedColspan'][nK-1]){ arrCeldas[nI]['arrLastColspan'][nK] += arrCeldas[nK]['arrColspan'][nL]; } nTemp += arrCeldas[nK]['arrColspan'][nL]; } } //console.warn(isNaN(parseInt(arrCeldas[nK]['arrColspan'][nL]))+':'+parseInt(arrCeldas[nK]['arrColspan'][nL])+' nI:'+nI+' nL:'+nL+' nK:'+nK+' text: '+jQuery(arrCeldas[nK]['arrHijos'][nL]).text()+' arrLastColspan[nK='+nK+']:'+arrCeldas[nI]['arrLastColspan'][nK]+' arrLastIndex[nK='+nK+']:'+arrCeldas[nI]['arrLastIndex'][nK]); } } } } //console.warn('nI: '+nI+' nJ: '+nJ+' pre: x:'+x+' nTemp:'+ nTemp); if(x&lt;=(nTemp-1)){ arrEncabezados[nI] = ''; break; nJ = 999999; //salimos del FOR. } } if(nJ!= 999999){ nTemp += arrCeldas[nI]['arrColspan'][nJ]; if(x&lt;=(nTemp-1)){ for(nK=1;nK&lt;=nCantCabeceras;nK++){ arrCeldas[nK]['arrLastSavedColspan'][nI] = nTemp; } arrEncabezados[nI] = jTemp.text(); break; nJ = 999999; //salimos del FOR. } } //console.warn('nI: '+nI+' nJ: '+nJ+' post: x:'+x+' nTemp:'+ nTemp+' text:'+jTemp.text()+' arrLastColspan [0]:'+arrCeldas[nI]['arrLastColspan'][0]+' [1]:'+arrCeldas[nI]['arrLastColspan'][1]+' [2]:'+arrCeldas[nI]['arrLastColspan'][2]+'[3]:'+arrCeldas[nI]['arrLastColspan'][3]+' arrLastSavedColspan [0]:'+arrCeldas[nI]['arrLastSavedColspan'][0]+' [1]:'+arrCeldas[nI]['arrLastSavedColspan'][1]+' [2]:'+arrCeldas[nI]['arrLastSavedColspan'][2]+'[3]:'+arrCeldas[nI]['arrLastSavedColspan'][3]); } } console.warn(arrEncabezados[1]+' '+arrEncabezados[2]+' '+arrEncabezados[3]+' bTemp: '+bTemp+' nCantCabeceras: '+nCantCabeceras+' Fecha:'+sFecha+' ¿se ve fecha?:'+(isScrolledVerticalIntoView(jTdFecha.get(0))&amp;&amp;isScrolledHorizontalIntoView(jTdFecha.get(0)))+' ¿se ve encabezado?:'+(isScrolledVerticalIntoView(jTdEncabezadoFecha.next().get(0))&amp;&amp;isScrolledHorizontalIntoView(jTdEncabezadoFecha.next().get(0)))); tr = ''; y = ''; x = ''; jTdFecha = ''; sFecha = ''; arrCeldas = ''; arrEncabezados = ''; arrJFila = ''; nTemp = ''; jTdEncabezadoFecha = ''; nCantCabeceras = ''; jTemp = ''; nI = ''; nJ = ''; nK = ''; nL = ''; bTemp = ''; </code></pre> <p>})</p> <p>I'm still thinking how to have detected rows with rowspans</p>
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    1. POHighlighting a Table Correctly Despite rowspan and colspan attributes - WITHOUT jQuery
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