Run Jquery method when enter key is pressed

Question

I\'m trying to run a method when the enter key has been pressed. This method is already being used by a button. Basically, when the user fills in a text field and clicks a s

Answer 1

var ENTER_KEY = 13;
var user_key;
$(document).on('keydown', function(e){
  user_key = e.keyCode || e.which
   if(user_key === ENTER_KEY) { 
      document.querySelector("#button").click();
   }
});

button