function isCheerioInstance(elem) {
    return elem &&
        elem.contains &&
        elem.html &&
        elem.parseHTML && true;
}
/** return true if elem is CheerioStatic */
return true if elem is CheerioStatic
return true if elem is CheerioStatic
function isCheerioInstance(elem) {
    return elem &&
        elem.contains &&
        elem.html &&
        elem.parseHTML && true;
}
function isCheerioInstance ( elem ) { return elem && elem . contains && elem . html && elem . parseHTML && true ; }
return true if elem is CheerioStatic
return true if elem is CheerioStatic