Javascript textbox value incrementer

A pure javascript code to increment the textbox value by 1

by Varun Krishna P

HTML

<input type='text' value='0' id='txtNum' />
<a href="javascript:;">+</a>

JavaScript

document.querySelector('a').addEventListener('click', () => {
	const $txtNum = document.querySelector('#txtNum');
  const value = parseInt($txtNum.value, 10) + 1;
  alert(value);
  $txtNum.value = value;
});