win32s,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
input[type="checkbox"] {
width:19px;
height:19px;
}
</style>
</head>
<body>
<input type="checkbox" name="" disabled="disabled">
<input type="checkbox" name="" disabled="disabled">
<input type="checkbox" name="" disabled="disabled">
<input type="checkbox" name="" disabled="disabled">
<input type="checkbox" name="" disabled="disabled">
<script>
async function mouseClick(el) {
return new Promise(resolve => el.onclick = () => setTimeout(resolve, 5000));
}
(async function main() {
for(const el of document.querySelectorAll('[type="checkbox"]')) {
el.removeAttribute('disabled');
await mouseClick(el);
}
})();
</script>
</body>
</html>