DDTank Ruler 2

ruler2.js

/*
 * Read me How to use
 * 1. open ddtank
 * 2. right click on any part of the page not the game itself
 * 3. click on inspect element menu
 * 4. go to console ang copy-paste this code and press enter
 * TIPS: This one is attached at the bottom, for overlay check https://gist.github.com/ipisboomz/3736ac7ace7f14148dffb4add5455e04
 */
document.getElementsByTagName("object")[0].parentElement.appendChild((()=>{
  document.getElementsByTagName("object")[0].parentElement.style.position = 'relative';
  const ruller =  document.createElement('div');
  ruller.innerHTML = new Array(10).fill('').map((x,i)=>'<div style="border-right: 2px solid #000; flex: 1; text-align: right;">'+(i+1)+'</div>').join('');
  ruller.style = "height: 20px; width: 100%; top: 600; background: #FFF; left: 0; position: absolute;z-index: 1; display: flex; flex-direction: row; border-bottom: 2px solid #000;";
  return ruller;
})());
alert("Ruler Active");