What I want is to move all the div's with class "goccia" move from top to bottom together using the setInterval() function.
I can't understand why it is moving only the first element (.goccia)
Here is my JavaScript code.
var campo = document.querySelector('#campo');
var marginTop = 0;
function creaGocce(){
var numeroGocce = document.querySelector('input').value;
for (var i = 0; i < numeroGocce; i++) {
campo.innerHTML += ' <div class = "divGoccia"> <div class = "goccia">
</div> </div>';
}
}
function scompari(){
document.querySelector('.contenitore').style.display = 'none';
}
function spostaGocce(){
var goccia = document.querySelector('.goccia');
goccia.style.marginTop = marginTop + "px";
marginTop += 10;
}
function muoviti(){
scompari();
creaGocce();
setInterval(spostaGocce, 1000);
}
document.querySelector('button').addEventListener('click', muoviti);
I suppose you are trying to send down each of your created divs to the bottom.
You should use the css attribute "position: absolute" and "top: 0px" and apply it to campo (the container of the divs) or create a new container. It will be easier.
I would recommend you to check this W3Schools article and try each parameter to know it.
Keep coding!
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