Untitled

let result = "foo";
let promise = Promise.resolve("bar");
promise.then(text => result = text);
console.log(result);

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Promise Test</title>
</head>
<body>
    <script type="text/javascript">
        let result = "foo";
        let promise = Promise.resolve("bar");
        promise.then(text => result = text);
        console.log(result) // "foo"
    </script>
</body>
</html>