data() method is not working in jquery 1.9? -

i have code uses jquery 1.4

           if (td.data().appointments === undefined)             td.data().appointments = [event];         else td.data().appointments.push(event); 

i want update jquery 1.9 data() method not workig in 1.9 ,

if replace data attr push (appointments.push(event)) not working

any alternative fix problem.

thanks

try passing appointments in parameter key data() instead of using property,

syntax .data( key )

if (td.data("appointments") === undefined)