“JS promete” Respostas de código

Javascript Destank Promise

function doSomething() {
  return new Promise((resolve, reject) => {
    console.log("It is done.");
    // Succeed half of the time.
    if (Math.random() > .5) {
      resolve("SUCCESS")
    } else {
      reject("FAILURE")
    }
  })
}

const promise = doSomething(); 
promise.then(successCallback, failureCallback);
Elyesc4

JavaScript promessas

var promise = new Promise(function(resolve, reject) {
  // do some long running async thing…
  
  if (/* everything turned out fine */) {
    resolve("Stuff worked!");
  }
  else {
    reject(Error("It broke"));
  }
});

//usage
promise.then(
  function(result) { /* handle a successful result */ },
  function(error) { /* handle an error */ }
);
Grepper

JS promete

console.log('some piece of code');
examplePromise.then(function(result){
  console.log(result);
}).catch(function (error) {
  console.error(error);
});
console.log('another piece of code');
Blue Beetle

Javascript Promise

let promise = new Promise((resolve,reject)=>{
                try {
                    resolve("some data");
                } catch (error) {
                    reject(error);
                }
            })
            
            promise.then(function (data) {
                console.log(data);
            },function (error) {
                console.error(error);
            })
Powerful Pigeon

Promise JavaScript

let promise = new Promise(function(resolve, reject){
  try{
  	resolve("works"); //if works
  } catch(err){
    reject(err); //doesn't work
  }
}).then(alert, console.log); // if doesn't work, then console.log it, if it does, then alert "works"
Unusual Unicorn

JS promete

let examplePromise = new Promise(function (resolve, reject) {
  let sum;
  setTimeout(function(){
    sum = 5 + 6;
    if(sum > 10) {
      resolve(sum);
    }else{
      reject('The promise has been rejected');
    }     
  }, 2000);
});
Quaint Quelea

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