+<script>
+""" + """
+var unit_count_inputs = document.getElementsByClassName("unit_count");
+for (let i = 0; i < unit_count_inputs.length; i++) {
+ let input = unit_count_inputs[i];
+ let button = document.createElement('button');
+ button.innerHTML = '+1';
+ button.onclick = function(event) {
+ event.preventDefault();
+ input.value = parseInt(input.value) + 1;
+ };
+ input.insertAdjacentElement('afterend', button);
+}
+
+</script>
+</html>
+"""