JavaScript 2.0-The Complete Reference, Second ... - freecodingtutorial

}
var numberRowsInTable = theTable.rows.length;
if ((rowNumber >>= 0 ) && (colNumber >>= 0))
{
}
if (rowNumber >>= numberRowsInTable)
{
}
alert("Can't modify cells outside the table");
return;
if (colNumber >>= theTable.rows[rowNumber].cells.length)
{
}
alert("Can't modify cells outside the table");
return;
theTable.rows[rowNumber].cells[colNumber].innerHTML = newValue;
function doCellDelete(row,column)
{
var rowNumber = parseFloat(row);
var colNumber = parseFloat(column);