Pull request:
Only accept the code for "clear the contentBox if the specified content is DOM node" at this time.
MODIFY
plugin.xml
plugin.xml
<?xml version='1.0' encoding='utf-8'?>
-<plugin id="cordova-plugin-googlemaps" version="2.0.10-beta-20170919-1445" xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android">
+<plugin id="cordova-plugin-googlemaps" version="2.0.10-beta-20170919-1522" xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android">
<name>cordova-plugin-googlemaps</name>
<js-module name="BaseClass" src="www/BaseClass.js">
<runs />

MODIFY
www/HtmlInfoWindow.js
www/HtmlInfoWindow.js
@@ -82,6 +82,7 @@ var HTMLInfoWindow = function() {
if (!content) {
contentBox.innerText = "";
} else if (content.nodeType === 1) {
+ contentBox.innerHTML = "";
contentBox.appendChild(content);
} else {
contentBox.innerText = content;

Pull request: #1753

Only accept the code for "clear the contentBox if the specified content is DOM node" at this time.