javascript - How to invalid 00/00/0000 date in JS -

i using jquery validation plugin. used this post validate dates using plugin. working there problem. accepting 00/00/0000 date well. how can invalid date modifying following function.

$.validator.addmethod(     "australiandate",     function(value, element) {         return value.match(/^\d\d?\/\d\d?\/\d\d\d\d$/);     },     "please enter date in format dd/mm/yyyy" ); 

maybe can try this, perhaps can works :)

function(value, element) {         if (!value.match(/^00\/00\/0000$/)) return value;         }