const square = async function (n) {
 return n * n;
}
const value = await square(2); // ❌await is only valid in async functions and the top level bodies of modules
console.log(value);

const square = async function (n) {
 return n * n;
}
async function main() {
 const value = await square(2);
 console.log(value); // 4
}
main();