you very welcome
look how those list item created in the first place
let us take it step by step let us say we have only empty list and not item there
user will click on that button that create them button.onclick = function() {
this button would lead to creation of some stuff let us focus on those we are care about which are
const listItem = document.createElement('li');
const listText = document.createElement('span');
const listBtn = document.createElement('button');
then we do the append steps
now the trick come here when we add the onclick event to that new button
listBtn.onclick = function(e) {
list.removeChild(listItem);
}
listBtn is just one of the created buttons but this event will be add to each one but each time we take about certain button cause each time the first button trigered would lead to the creation of the 3 stuff i mentioned earlier
now this line will do list.removeChild(listItem);
will remove that listitem that we just created const listItem = document.createElement('li');
and of course any child of it
cause when it created it only see that listitem that we just created when we created also the button and the span
the scope of funtion make them see only them self that mean that button does not even know if there any other listitem or not it only know that listitem that created with it
same thing the listitem does not know any thing else but only it’s child span
you very welcome and thanks a lot and you too