js fetch async code example

Example 1: async function fetchJson

async function getUserAsync(name) 
{
  let response = await fetch(`https://api.github.com/users/${name}`);
  let data = await response.json()
  return data;
}

getUserAsync('yourUsernameHere')
  .then(data => console.log(data));

Example 2: async fetch api call

async function getUserAsync(name) {
  try{
    let response = await fetch(`https://api.github.com/users/${name}`);
    return await response.json();
  }catch(err){
    console.error(err);
    // Handle errors here
  }
}

Example 3: javascript async fetch file html

async function () {
element.innerHTML = await (await fetch('./filetofetch.html')).text();
}

Example 4: how to make an async function

function resolveAfter2Seconds() {
  return new Promise(resolve => {
    setTimeout(() => {
      resolve('resolved');
    }, 2000);
  });
}

//async function:
async function asyncCall() {
  console.log('calling');
  const result = await resolveAfter2Seconds();
  console.log(result);
  // expected output: 'resolved'
}

asyncCall();

Example 5: async

function resolveAfter2Seconds() {
  return new Promise(resolve => {
    setTimeout(() => {
      resolve('resolved');
    }, 2000);
  });
}

async function asyncCall() {
  console.log('calling');
  const result = await resolveAfter2Seconds();
  console.log(result);
  // expected output: 'resolved'
}

asyncCall();