function getAge(fromdate, todate) { var currentDate = new Date(); if (todate) todate = new Date(todate); else todate = new Date(); if (fromdate) fromdate = new Date(fromdate); else fromdate = new Date(); if (fromdate.valueOf() > todate.valueOf()) { // if future date } else { var age = [], fromdate = new Date(fromdate), y = [todate.getFullYear(), fromdate.getFullYear()], ydiff = y[0] - y[1], m = [todate.getMonth(), fromdate.getMonth()], mdiff = m[0] - m[1], d = [todate.getDate(), fromdate.getDate()], ddiff = d[0] - d[1]; if (mdiff < 0 || (mdiff === 0 && ddiff < 0)) --ydiff; if (mdiff < 0) mdiff += 12; if (ddiff < 0) { fromdate.setMonth(m[1] + 1, 0); ddiff = fromdate.getDate() - d[1] + d[0]; --mdiff; } if (ydiff > -1) age.push(ydiff + ' year' + (ydiff &g