I was writing code that does something that looks like: function getStuffDone(param) { | function getStuffDone(param) { var d = Q.defer(); /* or $q.defer */ | return new Promise(function(resolve, reject) { // or = new $.Defer...I've been developing JavaScript for a few years and I don't understand the fuss about promises at all. It seems like all I do is change: api(function(result){ api2(function(result2){ api3(function(result3){ // do...Consider the following code that reads an array of files in a serial/sequential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence. var readFile = function(file) { ... // Returns a promise. };...I am having a hard time running promises sequentially. var getDelayedString = function(string) { var deferred = Q.defer(); setTimeout(function() { document.write(string+" "); deferred.resolve(); }, 500); r...In my code, based on a specific condition, I would like to skip to the done function, irrespective of all the then functions. The original version of this question is in the edits. The following is the actual problem I am dealing with. Sorry for t...
I have a component which gets a collection of items as props and maps them to a collection of components which are rendered as children of a parent component. We use images stored in WebSQL as byte arrays. Within the map function I get an image Id...
I have a simple node module which connects to a database and has several functions to receive data, for example this function: dbConnection.js: import mysql from 'mysql'; const connection = mysql.createConnection({ host: 'localhost...I would like to call the Google Maps Geocoding API using a Promise like this: function makeGeoCodingRequest(address,bounds) { /* Input parameters: address:a string bounds: an object of class google.maps.LatLngBoun...In, for example, kriskowal's Q, one can do something like: promise1.then(function(p1){ var p2 = makePromise2(); var p3 = makePromise3(); var p4 = makePromise4(); return [p2, p3, p4]; }) .all(promises, function(){ console.log('all p...©2020 All rights reserved.