OAA TABLES_2: Data tables must use th elements

Data tables must use th elements to indicate header cells for the first cell in all the columns or rows.

None

.dataTable

None

function (ruleContext) {
  var passed = false;
  var node = ruleContext;
  var r,c;
  var thColCount=0,thRowCount = 0;
  //contains data from tablenode.tHead.rows & tablenode.tFoot.rows
  if (node.rows[0].cells.length > 1) {
    for (c=0; c < node.rows[0].cells.length; c++) {  
// the first cell in each column has a header
      if (node.rows[0].cells[c].tagName.toLowerCase() == 'th' && xbrowser.getTextContent(node.rows[0].cells[c]).normalizeSpacing() != '') {
       thColCount++;
      } // endif
    } // endfor
    if (node.rows[0].cells.length == thColCount) {
      passed = true;
    } // endif
  } // endif
  if (!passed) {
    if (node.rows.length > 1) {
      for (r=0; r < node.rows.length; r++) {
  if (node.rows[r].cells[0].tagName.toLowerCase() == 'th' && xbrowser.getTextContent(node.rows[r].cells[0]).normalizeSpacing() != '') {
              thRowCount++;
        } // endif
      } // endfor
      if (node.rows.length == thRowCount) {
        passed = true;
      }  // endif
    } // endif
    if (node.rows[0].cells.length-1 == thColCount && node.rows.length-1 == thRowCount) {
      passed = true;
    } // endif
  } // endif
  return new ValidationResult(passed, [ruleContext], '', '', []);
}//endfunction