fix logging

build/index.html

@@ -32,7 +32,12 @@
     <video class="input_video" style="display: none"></video>
 </div>
 <div id="content"></div>
-
+<div style="position: fixed;background: transparent;color:black;border:1px solid rgba(0,0,0,0.5);padding:4px 8px; font-size:12px;bottom:0;right:0" id="logger"></div>
+<script>
+	window.logging = function(who, what) {
+		D.div({renderTo: document.getElementById('logger')}, `to: ${who}, msg: ${JSON.stringify(what)}`);
+	};
+</script>
 
 <script src="view/Input.js"></script>
 <script src="view/Select.js"></script>