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<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<title>Document</title>
</head>
<body>
<script>
function test(num) {
return new Promise((resove, reject) => {
setTimeout(() => {
let random = Math.floor(Math.random() * 100);
if (num > random) {
resove('成功' + num + ',' + random);
} else {
reject('失败' + num + ',' + random);
}
}, 1000)
});
}
(async () => {
let res = await test(50);
console.log(res);
})()
</script>
</body>
</html>
|
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