Scrapes a Sharepoint 2010 Content Type page to get the column names and display names. Outputs some HTML or the FieldNames needed for a page layout file. Exceedingly limited, but does what I need it to.

SP2010-ContentType-to-HTML.js

/*
    Run this against a content type page to get the HTML for the columns!
    els = array of elements
    type = "li"|"td"|"th"|"FieldRef"
*/
function create(el, type) {
    var fieldname, 
        displayname, 
        outputHTML = '';    

    for (var i=10;i<el.length;i++) {
        /* Drag the field name out of the relevant URL, then decode it */
        fieldname = el[i].querySelector("a").getAttribute("href");
        fieldname = fieldname.substring(fieldname.indexOf('Field=')+6,fieldname.indexOf('&Fid'));
        fieldname = decodeURIComponent(fieldname);
        if (Number(fieldname.charAt(0)) > 0) {
            fieldname = "_x003" + fieldname.charAt(0) + "_" + fieldname.substring(1);
        }
        /* Drag a friendly title straight off the page */
        displayname = el[i].textContent;

        /* Now build the HTML */
        switch (type) {
            case "li":
                outputHTML = outputHTML + '<li><h3>' + displayname + '</h3><p><xsl:value-of disable-output-escaping="yes" select="@' + fieldname + '" /></p></li>';
                break;
            case "th":
                outputHTML = outputHTML + '<th class="type2" hidden="hidden">' + displayname + '</th>';
                break;
            case "td":
                outputHTML = outputHTML + '<td class="type2" hidden="hidden"><xsl:value-of disable-output-escaping="yes" select="@' + fieldname + '" /></td>';
                break;
            case "FieldRef":
                outputHTML = outputHTML + '<FieldRef Name="' + fieldname + '" />';
                break;
            default:
                console.log('Type must be "li", "td", "th" or "FieldRef".');
                break;
        }
        outputHTML = outputHTML + '\r\n';
    }
    return(outputHTML);
}

var els = document.querySelectorAll("#columnstable tr[class] td:first-of-type");
console.log(create(els,"li"));
console.log(create(els,"th"));
console.log(create(els,"td"));
console.log(create(els,"FieldRef"));