What is the Operator Precedence of Await?

by

An AwaitExpression is a UnaryExpression and has the same precedence as delete, void, typeof, +, -, ~, and !, binding stronger than any binary operator.

This is unlike yield which has a precedence lower than anything else except the comma operator. This design decision was made because both yield a+b and await a + await b are scenarios thought to be more common than (yield a) + (yield b) and await (a + b).

More Related Contents:

  1. Combination of async function + await + setTimeout
  2. Correct Try…Catch Syntax Using Async/Await
  3. What’s wrong with awaiting a promise chain?
  4. Are there performance concerns with `return await`?
  5. How can I use async/await at the top level?
  6. Difference between `return await promise` and `return promise`
  7. Syntax for an async arrow function
  8. Limited parallelism with async/await in Typescript/ES7
  9. Await is a reserved word error inside async function
  10. In JavaScript how do I/should I use async/await with XMLHttpRequest?
  11. Can’t throw error from within an async promise executor function
  12. for await of VS Promise.all
  13. JavaScript array .reduce with async/await
  14. try..catch not catching async/await errors
  15. How to use ES8 async/await with streams?
  16. Async/Await inside Array#map()
  17. How to return an Ajax result using async/await? [duplicate]
  18. In JavaScript, does using await inside a loop block the loop?
  19. ES8 Immediately invoked async function expression
  20. Async / await vs then which is the best for performance?
  21. Do Javascript promises block the stack
  22. What is the benefit of prepending async to a function that returns a promise?
  23. Wait promise inside for loop
  24. Using for await…of with synchronous iterables
  25. How to use Array.prototype.filter with async?
  26. How does javascript async/await actually work?
  27. Transpile Async Await proposal with Babel.js?
  28. How can I Interleave / merge async iterables?
  29. Implement async/await in sort function of arrays javascript
  30. JS async/await – why does await need async?

Leave a Comment