js0022

拒绝promise

显示拒绝

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Explicitly rejecting promises</title>
<link rel="stylesheet" href="../assert.css">
<script src="../assert.js"></script>
<script src="getJSON.js"></script>
</head>
<body>
<script>
"use script";

const promise = new Promise((resolve, reject) => {
reject("Explicitly reject a promise!");
});

promise.then(
() => fail("Happy path, won't be called!"),
error => pass("A promise was explicitly rejected!")
);
</script>
</body>
</html>