     private var reference: Reference!
     
     func test() {
-        let reference = Reference(bibleId: "ERV-SPA.db", bookId: "GEN", chapter: 4)
+        let reference = Reference(bibleId: "ERV-SPA.db", bookId: "PSA", chapter: 1)
         self.loadReference(reference: reference)
     }
     

        + "}\n"
    
    static let findVerseNum = "var verseNum = null;\n"
        + "function getClass(node) {\n"
        + "  walkNodes(node);\n"
        + "  return verseNum;\n"
        + "}\n"
        + "function walkNodes(node) {\n"
        + "  verseNum = findVerseNum(node) || verseNum;\n"
        + "  node = node.firstChild;\n"
        + "  while(node) {\n"
        + "    walkNodes(node);\n"
        + "    node = node.nextSibling;\n"
        + "  }\n"
        + "}\n"

            if data != nil {
                print("jsCallback Response \(data!)")
            }
            measure.duration(location: "Done JS")
        })
    }
    
    func webView(_: WKWebView, didFinish: WKNavigation!) {
        print("Test Web page loaded \(reference.toString())")
        let message = "var find = document.getElementsByTagName('p')[21];\n"
            + "getClass(document.body, find);\n"
        //let message = "getClass(document.body, document.body);\n"
        self.execJavascript(message: message)
    }
    
