Vanilla JS way to equalize heights of elements

equalizeElementHeights.js

//https://davidwalsh.name/javascript-debounce-function
function debounce(func, wait, immediate) {
	var timeout;
	return function() {
		var context = this, args = arguments;
		var later = function() {
			timeout = null;
			if (!immediate) func.apply(context, args);
		};
		var callNow = immediate && !timeout;
		clearTimeout(timeout);
		timeout = setTimeout(later, wait);
		if (callNow) func.apply(context, args);
	};
};

const removeEqualHeightBelow = 768;
const groupQuerySelector = 'QUERY SELECTOR FOR GROUP';
const elementQuerySelector = 'QUERY SELECTOR FOR ELEMENTS WITH EQUAL HEIGHTS';

const equalizeElementHeights = debounce(function () {
  const rows = document.querySelectorAll( groupQuerySelector );
  if( window.innerWidth <= removeEqualHeightBelow - 1 ) {
    for (let i = 0; i < rows.length; i++) {
      const columnsAuto = rows[i].querySelectorAll( elementQuerySelector );
      for (let j = 0; j < columns.length; j++) {
        columnsAuto[j].style.height = "auto";
      }
    }
  }
  else if( window.innerWidth > removeEqualHeightBelow ) {
    for (var i = 0; i < rows.length; i++) {
      const columns = rows[i].querySelectorAll( elementQuerySelector );
      var maxHeight = 0;

      for (let j = 0; j < columns.length; j++) {
        columns[j].style.height = "auto";
        var height = columns[j].clientHeight;
        if( height > maxHeight ) {
          maxHeight = height;
        }
      }

      for (let j = 0; j < columns.length; j++) {
        // set subtract padding and set height
        columns[j].style.height = maxHeight - parseInt(window.getComputedStyle(columns[j], null).getPropertyValue('padding-top')) - parseInt(window.getComputedStyle(columns[j], null).getPropertyValue('padding-bottom'));
      }
    }
  }
}, 250);

if (document.readyState === 'loading') {
  document.addEventListener('DOMContentLoaded', equalizeElementHeights);
} else {
  equalizeElementHeights();
}

window.addEventListener('resize', equalizeElementHeights);