问题 I am not an expert in html or JavaScript by any means. So, I hope for you assistance with this issue. I thought I should provide a smaller version of my app in order to be able to explain the problem. Here is the app.R of a simple app that allows the user to write, let's say a word, in the textArea. The first letter of the word will appear automatically as the label of the action button, if the user clicks on the action button, the contents of the textArea will be updated stating whether the