async constructor

Because a constructor returns an object, we cannot declare it as async because an async function is inherently a promise. To await a promise inside a constructor, use an immediately invoked async function.


RESETRUNFULL
<!DOCTYPE html><html><body><script>

class MyClass {
    constructor() {
        return (async () => {
            this.value = await asyncFunction();
            return this;
        })();
    }}

</script></body><html>