Why is content added to the balloon every time a label is clicked?

Question

JavaScript

Why is content added to the balloon every time a label is clicked?
How to make the balloon always be on the right side of the label?
JSFiddle

Answer 1

So you are constantly adding, not replacing text in onAddToParent. Moreover, when the balloon closes, it clearly signals the absence of processing the onRemoveFromParent event, where, with this approach, it is worth deleting the content.