chaining promises with await code example

Example 1: promise chaining

new Promise(function(resolve, reject) {

  setTimeout(() => resolve(1), 1000); // (*)

}).then(function(result) { // (**)

  alert(result); // 1
  return result * 2;

}).then(function(result) { // (***)

  alert(result); // 2
  return result * 2;

}).then(function(result) {

  alert(result); // 4
  return result * 2;

});

Example 2: chaining async await

async function test() {
    let v1 = await func1();
    let v2 = await func2(v1); 
    return await func3(v1, v2);  
}

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Misc Example

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