Change zoom button (not work!)

Change zoom button (not work!)

Hello friends! Good day! 
I need your help. This is what I have: 


I need to change the zoom button: 





with this effect: 



My code but does not work:


  1.      $(".buttonZoom").click(function () {
  2.             $(this).text(function(i, v){
  3.                return v === 'FULLSCREEN' ? 'CLOSE SCREEN' : 'FULLSCREEN'
  4.             })
  5.         });