how to run async on class methods code example

Example 1: js class async constructor

function asyncRequest(id){
	return new Paormise(/*.....*/);
}
class MyClass {
	constructor(name, age, cityId) {
    	(async function() {
          this.name = name;
          this.age = age;
          this.city = await asyncRequest(cityId);
        })();
    }
}

Example 2: async await js

fetch('coffee.jpg')
.then(response => {
  if (!response.ok) {
    throw new Error(`HTTP error! status: ${response.status}`);
  } else {
    return response.blob();
  }
})
.then(myBlob => {
  let objectURL = URL.createObjectURL(myBlob);
  let image = document.createElement('img');
  image.src = objectURL;
  document.body.appendChild(image);
})
.catch(e => {
  console.log('There has been a problem with your fetch operation: ' + e.message);
});