Click on HTML table and get row number (with Javascript, not jQuery)

Question

I would like to know how to click on a button in an HTML table and get the row and column number returned to me: For example, with the following table:

Answer 1

Most generic version of @Gremash js function

function  getId(element) {
    alert("row" + element.closest('tr').rowIndex + 
    " -column" + element.closest('td').cellIndex);
}