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<title>Document</title>
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<body>
<script>
function delay(s) {
return new Promise(function(res, rej) {
setTimeout(function() {
res();
}, s * 1000);
});
}
async function main() {
for(var i = 1; i < 4; i++) {
await delay(i);
console.log((new Date()).getSeconds());
}
}
main();
</script>
</body>
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