can ignore value from promise

ignore_value_from_promise.es.js

let pr1 = new Promise( (resolve, reject) => {
  resolve(1);
});

// ignored value.
// would have been nice of function is required to have correct arguments
// TODO: try with JSHint
pr1.then( () => {
  console.log("hello");
})

let pr2 = new Promise( (resolve, reject) => {
  resolve(1);
});

// logged value
pr1.then( (x) => {
  console.log(`hello ${x}`);
})