KevinSia · December 8, 2020 18:39
diff --git a/tawk-reload.html b/tawk-reload.html
 <!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
 </head>
 <body>
  <h1>Hello</h1>
    <button onclick="loadJS('https://embed.tawk.to/5fa44ae7fe038e7c95aa6e4d/default')">URL 1</button>
    <button onclick="loadJS('https://embed.tawk.to/5fcf0f5a920fc91564ce7be4/default')">URL 2</button>

    <script>
      var TAWK_API = {};
      function loadJS(url) {
        // clear Tawk_API instance
        Tawk_API= {}, Tawk_LoadStart=new Date();
        Tawk_API.onLoad = function() { }

        // remove Tawk window attributes
        delete window.$_Tawk_AccountKey;
        delete window.$_Tawk_WidgetId;
        delete window.$_Tawk_Unstable;
        delete window.$_Tawk;

        // the div element that contains the chat UI has ID in the format of <random-string>-<current time in integer format>
        // we could take the first 3 digits of the current time to reverse find the div 
        // its not possible that the first 3 digits change between the time that Tawk loads and when this script runs
        //
        // we can also take the first 4 digits, as new Date(1607000000000) and new Date(1608000000000) has
        // approx. 12 days difference, and user is not likely to stay on the app for this long.
        var str = new Date().getTime().toString().slice(0, 3)
        var selector = `div[id*="${str}"]`

        // removes the div element that contains the chat UI
        var div = document.querySelector(selector)
        if (div) div.remove();

        // removes the iframe injected by tawk
        var iframe = document.querySelector('iframe[title="chat widget logging"]')
        if (iframe) iframe.remove();

        var body = document.body
        var script = document.createElement('script')
        script.async = true;
        script.src = url;
        script.charset='UTF-8';
        script.setAttribute('crossorigin','*');
        body.append(script)
      }
    </script>

 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
	</head>
	<body>
	<h1>Hello</h1>
	<button onclick="loadJS('https://embed.tawk.to/5fa44ae7fe038e7c95aa6e4d/default')">URL 1</button>
	<button onclick="loadJS('https://embed.tawk.to/5fcf0f5a920fc91564ce7be4/default')">URL 2</button>

	<script>
	var TAWK_API = {};
	function loadJS(url) {
	// clear Tawk_API instance
	Tawk_API= {}, Tawk_LoadStart=new Date();
	Tawk_API.onLoad = function() { }

	// remove Tawk window attributes
	delete window.$_Tawk_AccountKey;
	delete window.$_Tawk_WidgetId;
	delete window.$_Tawk_Unstable;
	delete window.$_Tawk;

	// the div element that contains the chat UI has ID in the format of <random-string>-<current time in integer format>
	// we could take the first 3 digits of the current time to reverse find the div
	// its not possible that the first 3 digits change between the time that Tawk loads and when this script runs
	//
	// we can also take the first 4 digits, as new Date(1607000000000) and new Date(1608000000000) has
	// approx. 12 days difference, and user is not likely to stay on the app for this long.
	var str = new Date().getTime().toString().slice(0, 3)
	var selector = `div[id*="${str}"]`

	// removes the div element that contains the chat UI
	var div = document.querySelector(selector)
	if (div) div.remove();

	// removes the iframe injected by tawk
	var iframe = document.querySelector('iframe[title="chat widget logging"]')
	if (iframe) iframe.remove();

	var body = document.body
	var script = document.createElement('script')
	script.async = true;
	script.src = url;
	script.charset='UTF-8';
	script.setAttribute('crossorigin','*');
	body.append(script)
	}
	</script>

	</body>
	</html>