JSFiddle - React, Tailwind, and code Playground

HTML

<input type='checkbox' id='1'>
<input type='checkbox' id='2'>
<input type='checkbox' id='3'>
<button>yay</button>

JavaScript

$('button').on('click', function() {
      var chbx = $('input[type=checkbox]');    
      $.each(chbx, function( index, value ) {
          console.log(value.id+':'+value.checked);        
    });
});