Uncaught TypeError: Cannot read property 'top' of undefined

Question

I apologize if this question has already been answered. I\'ve tried searching for solutions but could not find any that suited my code. I\'m still new to jQuery.

I h

Answer 1

Check if the jQuery object contains any element before you try to get its offset:

var nav = $('.content-nav');
if (nav.length) {
  var contentNav = nav.offset().top;
  ...continue to set up the menu
}