JSFiddle - React, Tailwind, and code Playground

HTML

<input type="number">
    <input type="number">
        <input type="number">
            <input type="number">
                <input type="number">
      <button>ClickIt</button>

JavaScript

var formOk;
function isNumeric(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}
function checkInputs(){
    result = false;
     $('input[type="number"]').each(function(){
         if($(this).val() != '' && isNumeric($(this).val())) result = true;
     })
     return result;
}

$('button').bind('click', function(){
    alert(checkInputs())
});
checkInputs()                                    
formOk = checkInputs();