javascript - Firefox gives error for an event object -

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this code works great on chrome, wont work on ie or firefox.

$('.modal').on("click", ".action", function() {     if($(event.target).hasclass('added')) {         if($(event.target).hasclass('remove_vehicle')) {            //code         }

i error on firefox console:

referenceerror: event not defined [break on error]     if($(event.target).hasclass('added')) {

what wrong here? both event.trigger , hasclass supposed work on firefox.

try - 

$('.modal').on("click", ".action", function(event) { // see difference in line      if($(event.target).hasclass('added')) {         if($(event.target).hasclass('remove_vehicle')) {            //code         }

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