/Javascript/Node.js/Return promise in node js

Return promise in node js

Javascript return 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);

Source: developer.mozilla.org

Return promise in node js

module.exports.getAllPosts = function()
{
    return new Promise((resolve,reject)=>{

        if(posts == true)
        {
          resolve("success");
        }else{
        reject("Failed");
        }
    });
}

Js return a promise

function myAsyncFunction(url) {
  return new Promise((resolve, reject) => {
    const xhr = new XMLHttpRequest();
    xhr.open("GET", url);
    xhr.onload = () => resolve(xhr.responseText);
    xhr.onerror = () => reject(xhr.statusText);
    xhr.send();
  });
}

Similar codes

-1 vote117 views2 answers
Convert base64 to image nodejs
Javascript Node.js
0 vote180 views1 answer
[Object] node js output
Javascript Node.js
0 vote132 views1 answer
Nodejs class template export
Javascript Node.js
1 vote126 views1 answer
Html to pdf node js background color
Javascript Node.js
1 vote124 views1 answer
Use static pages nodejs
Javascript Node.js
-1 vote116 views1 answer
Angular 11 support versions nodejs
Javascript Node.js
0 vote145 views3 answers
Node js create pdf from html
Javascript Node.js
0 vote128 views1 answer
Nodejs console.log timestampt
Javascript Node.js
0 vote134 views2 answers
Nodejs print variable in string
Javascript Node.js
0 vote124 views1 answer
.ignore file nodejs
Javascript Node.js