Fix the case when the last script has no src

Author: rudolph-miller

client/index.js

@@ -8,7 +8,16 @@ if (typeof __resourceQuery === "string" && __resourceQuery) {
 } else {
 	// Else, get the url from the <script> this file was called with.
 	var scriptElements = document.getElementsByTagName("script");
-	var scriptHost = scriptElements[scriptElements.length-1].getAttribute("src").replace(/\/[^\/]+$/, "");
+	var scriptHost;
+	for (var i = scriptElements.length - 1; i >= 0; i--) {
+		var script = scriptElements[i];
+    var src = script.getAttribute("src");
+		if (src) {
+			scriptHost = src.replace(/\/[^\/]+$/, "");
+			break
+		}
+	}
+}
 	urlParts = url.parse((scriptHost ? scriptHost : "/"), false, true);
 }