JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test">Test</div>

JavaScript

var div = document.getElementById('test')

for(var i = 1273000000; i < 1274000000; i++) {
var testId = 'extTabsBodyEleFile' + i + '_renderTo';

	div.id = testId;
  if(!document.getElementById(testId)) {
  console.log('not found: ', testId);
  }
}
console.log('finished');