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Live Ping Display in zombsroyale.io

Displays Real Time Ping in zombsroyale.io

  1. // ==UserScript==
  2. // @name         Live Ping Display in zombsroyale.io
  3. // @namespace    zombsroyale.io
  4. // @version      1.0
  5. // @description  Displays Real Time Ping in zombsroyale.io
  6. // @match        zombsroyale.io
  7. // @grant        none
  8. // ==/UserScript==
  9.  
  10. (function() {
  11.     'use strict';
  12.  
  13.    
  14.     var pingDisplay = document.createElement('div');
  15.     pingDisplay.style.position = 'fixed';
  16.     pingDisplay.style.top = '10px';
  17.     pingDisplay.style.left = '10px';
  18.     pingDisplay.style.zIndex = '9999';
  19.     pingDisplay.style.backgroundColor = 'white';
  20.     pingDisplay.style.padding = '10px';
  21.     document.body.appendChild(pingDisplay);
  22.  
  23.   
  24.     function measurePing() {
  25.         var startTime = new Date().getTime();
  26.         var xhr = new XMLHttpRequest();
  27.         xhr.open('HEAD', window.location.href + '?rand=' + Math.random(), true);
  28.         xhr.onreadystatechange = function() {
  29.             if (xhr.readyState === 4) {
  30.                 var endTime = new Date().getTime();
  31.                 var ping = endTime - startTime;
  32.                 pingDisplay.textContent = 'Ping: ' + ping + ' ms';
  33.             }
  34.         };
  35.         xhr.send(null);
  36.     }
  37.  
  38.     setInterval(measurePing, 125);
  39. })();