JSFiddle - React, Tailwind, and code Playground

by Hastig Z

HTML

<div>
  <button class="changerer minus" type="button">-</button>
  <input id="pages" name="pages" type="number" value="0" min="0">
  <button class="changerer plus" type="button">+</button>
</div>

JavaScript

$('.changerer').click(function() {
  var pages_val = $('#pages').val();
	if ($(this).hasClass('minus')) {
    if (pages_val <= 0) {
      pages_val = 0;
    } else {
      pages_val--;
    }
  } else {
    pages_val++;
  }
  $('#pages').val(pages_val);
})