pensieve | R package for the scientific study of human subjectivity

Here I'm trying to display the number of lives the player has left after inputting a wrong letter like so:

However, when the player inputs a wrong letter the second time, it comes like this. I want the updated lives replaced in the same line.

Here is where I coded the livesCounter.

I'm trying to print an element, in my case an hr tag some number of times according to the length of a word. This code is for a hangman game I'm trying to recreate. I have looked up similar questions and its not quite what I'm lookin for.

This is my javascript code so far.

The following is a function to display letters inputted by the user on an html page. I want it to come like this:

But I end up with something like this:

How do make it so that only the last string appears?

Here is my code:

In this program, I'm generating a random word, getting the input of the user and printing the users' inputted letters in an alert box if the letter exists in the word.

This is where I generate a random word.