Refresh JS

[noshimorimoshi]

• [ ] - Promise chaining
• [ ] - Error handling with promises
• [ ] - Promise API
• [ ] - Promisification
• [ ] - Microtasks
• [ ] - Async Await
• [ ] - Generators
• [ ] - Async iterators and generators

[43303246]

@i7poxop, this issue for you.