iframe-proxy | Sunbelt Computer Software

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<!DOCTYPE html>
 <html lang="en">
   <head>   
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>HTML Iframe Sample</title> 
    <style>
    /*************************************************************
    Custom Styles
    **************************************************************/
    </style>
    <!-- Main HTML content -->
    <div class="container mt-5">
      <h2>Sample Iframe</h2>
        <div class="mb-3">
         <div id='plbMessage'>Hello from iframe</div>
        </div>
     <!-- Custom Code -->
    <script type="text/javascript">
       *  Handle message requests
      window.addEventListener('message', (event) => {
        var rMsg;
	const msgData = event.data.slice(0,10);
	if ( msgData == '{"plbmsg":' ) {	
	    rMsg = JSON.parse(event.data);
	 catch (exception) {
	   console.log(exception);
	   return;
	alert( "iframe msg: " + event.data );		
	switch (rMsg.plbmsg) {
	  document.getElementById('plbMessage').innerText = rMsg.arg2;
    </script>

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