public/javascripts/yui/datatable/datatable.js
function(el, oRecord, oColumn, oData) {
        el.innerHTML = oData === undefined ||
                       oData === null ||
                       (typeof oData === 'number' && isNaN(oData)) ?
                       "&#160;" : oData.toString();
    }
function(el, oRecord, oColumn, oData) {
        el.innerHTML = oData === undefined ||
                       oData === null ||
                       (typeof oData === 'number' && isNaN(oData)) ?
                       "&#160;" : oData.toString();
    }
function ( el , oRecord , oColumn , oData ) { el . innerHTML = oData === undefined || oData === null || ( typeof oData === 'number' && isNaN ( oData ) ) ? "&#160;" : oData . toString ( ) ; }
Default cell formatter

@method DataTable.formatDefault
@param el {HTMLElement} The element to format with markup.
@param oRecord {YAHOO.widget.Record} Record instance.
@param oColumn {YAHOO.widget.Column} Column instance.
@param oData {Object} (Optional) Data value for the cell.
@static
Default cell formatter