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Retrieve All Inner HTML by Class Name

All Inner HTML

If you want to retrieve all inner html in multiple <span> with same class name, here is an example:

...
  var msg_array = document.getElementsByClassName("info");
  var message = "";
  for (var i = 0; i < msg_array.length; i++) {
    message += msg_array.item(i).innerHTML;
    message += "\n";
  }
  if (message != "")
    alert(message);
  }
...

Note that, we add a line break character after every element for formatting the output message.

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