jquery add event keyup code example

Example 1: jquery when you typing in input

$('input[name="noofppl"]').keyup(function(){
  console.log($(this).val());
});

Example 2: check when keyup an input from a specific form jquery

var inputs = $('#formID').find('input[type="text"]');
inputs.keyup(function() {
   console.log($(this));
});