JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text">

<select>
    <option value>---</option>
    <option value='1'>2</option>
</select>

<input type="button" id="x" value="ClicK"/>

JavaScript

function hasUserProvidedInput() {
        var returnValue = false;
        $('input[type="text"],select').each(function() {
            if ($(this).val() != '') {
                returnValue = true;
                return;
            }
        });

      alert(returnValue);
      return returnValue;  
 }

$('#x').click(hasUserProvidedInput);