how to call a function that returns a promise code example
Example 1: javascript return promise
function doSomething() {
return new Promise((resolve, reject) => {
console.log("It is done.");
if (Math.random() > .5) {
resolve("SUCCESS")
} else {
reject("FAILURE")
}
})
}
const promise = doSomething();
promise.then(successCallback, failureCallback);
Example 2: javascript promise
var promise = new Promise(function(resolve, reject) {
if () {
resolve("Stuff worked!");
}
else {
reject(Error("It broke"));
}
});
promise.then(
function(result) { },
function(error) { }
);