var objTranscriptionLines = window.angular.element(window.document.querySelectorAll('.transcript-list')).scope().$ctrl.transcriptLines;
var strRunningText = "";
for(var i = 0; i < objTranscriptionLines.length; i++){
    if( objTranscriptionLines[i] ){
        var strLineText = objTranscriptionLines[i].eventData.text;
        strRunningText = strRunningText + "\n" + strLineText;
    }
}
console.log(strRunningText);