Example to Improve your javascript speed with throttle, example at: https://wp.me/pabITX-7j

ThrottleExample.js

// find elements
let i = 0;
function writeDOM() {
	// Imagine some slow/hard function
	$("#result").html(i++);
} 

const $checkBox = $('#checkbox');
const throttleWriteDom = _.throttle(writeDOM, 1000);

$("#container-result").click(e => {
	if ($checkBox.is(':checked')) {
  	throttleWriteDom(e);
  } else {
  	writeDOM(e);
  }
});