js countKeys
let count = Object.keys(myobj).lengthjs promiseStatus
/**
* This function allow you to modify a JS Promise by adding some status properties.
* Based on: http://stackoverflow.com/questions/21485545/is-there-a-way-to-tell-if-an-es6-promise-is-fulfilled-rejected-resolved
* But modified according to the specs of promises : https://promisesaplus.com/
*/
function MakeQuerablePromise(promise) {
// Don't modify any promise that has been already modified.
if (promise.isResolved) return promise;
// Set initial state
var isPending = true;
var isRejected = false;
var isFulfilled = false;
// Observe the promise, saving the fulfillment in a closure scope.
var result = promise.then(
function(v) {
isFulfilled = true;
isPending = false;
return v;
},
function(e) {
isRejected = true;
isPending = false;
throw e;
}
);
result.isFulfilled = function() { return isFulfilled; };
result.isPending = function() { return isPending; };
result.isRejected = function() { return isRejected; };
return result;
}Copyright © 2021 Codeinu
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