JSFiddle - React, Tailwind, and code Playground

HTML

<div id="target"></div>

JavaScript

clickX = [];
for(var i=0; i<10; i++) {
	clickX[i] = i;
}
doThis(clickX);

function doThis(x) {
	 for(var i=0; i<x.length; i++) {
		 x[i]++;
		 $('#target').append(' '+clickX[i]);
	 }
}