function buildTable()
{  
    tabobj = document.createElement("table");
    tabobj.width="80%";
    tabobj.style.backgroundColor = "khaki";
    tabobj.style="margin:auto";
    tabobj.style="border-radius:10px";
    thead = document.createElement("thead");
    tabobj.appendChild(thead);
    row = document.createElement("tr");
     thead.appendChild(row);
    for (i=0; i< 4; i++)
    {
        tHdg = document.createElement("th");
        HdgName = 'Heading' + (i+1);
        tHdg.innerHTML=HdgName;
        row.appendChild(tHdg);
    }
    tbody=document.createElement("tbody");
    tabobj.appendChild(tbody);
    for (i = 0; i < 5; i++) 
    {
        row = document.createElement("tr");
        row.setAttribute("id", "tr" + i);
        for (j = 0; j < 4; j++) 
        {
            td = document.createElement("td");
            td.className='cell';
            tContent = "row" +i + " cell" +j;
            td.innerHTML=tContent;
             row.appendChild(td);
        }
        tbody.appendChild(row);
    }
    main=document.getElementById('container');
    main.appendChild(tabobj);
}

http://coboldinosaur.com/pages/Dynamically_Generated_Tables.html

The use of dynamic data acquisition on modern web sites and in a lot of intranet applications, sometimes means we have to build structures dynamically as data comes in from a feed or AJAX operations. The problem is not with the data, but rather that it is unstructured, or not appropriately tagged. The solution is to dynamically build the necessary structures to make the data presentable in a web page

Dynamic Table Generator

javascript, DOM

JavaScript