         var str2 = document.getElementById("text2").value;
            //call native method
            window.WebViewJavascriptBridge.callHandler(
                'submitFromWeb'
                , {'param': '中文测试'}
                , function(responseData) {
                    document.getElementById("show").innerHTML = "send get responseData from java, data = " + responseData
                }
            );
        }
        function bridgeLog(logContent) {
            document.getElementById("s