I have three HTTP calls that need I need to make in a synchronous manner and how do I pass data from one call to the other?  function first() {    ajax() }  function second() {    ajax() }  function third() {    ajax() }   function main() {     fir...
Problem 1: only one API request is allowed at a given time, so the real network requests are queued while there's one that has not been completed yet. An app can call the API level anytime and expecting a promise in return. When the API call is...
I have 3 processes that needs ajax to complete. But it is asynchronous and it fails to do what I wanted to do..  Lets say:   function a(param1, param2) {      $.post(..., function(result){          if(result){             b();          } else {...
Let's create a simple Deferred object:  defer = $.Deferred( function ( defer ) {     setTimeout( defer.resolve, 3000 ); });   The above Deferred object will be in the "pending" state for 3 seconds, and then switch to the "resolved"...
I really like the idea of jQuery's deferred/promise pattern or paradigm but sometimes I have trouble wrapping my aging brain around the finer points or specific implementation details.  In fact recently I've found that the deferred/promise pa...
I have a function in form:  $.get_members = function() {     var group_id = $('#gid').val();     if($(this).val() == group_id)         return;      var deferr = $.Deferred();      $.get(url)         .done(function() {             ......
So for the past few hours I've been looking into async stuff and using promises. I'm using the testing framework protractor, and theres a few async things I'm having trouble with.   In this save function, I call cm.org1.all() asynchronous...
I am performing multiple batched asynchronous operations in my code. Although operations within a batch should execute asynchronously batches should be executed synchronously one after another.  Here is a jsfiddle I created. Look at the console as al...
For arbitrary promise implementation, the deferred pattern (not to be confused with antipattern) may may look like:  const deferred = new Deferred; ... // scopes where `deferred` object reference was passed before promise settlement deferred.promise....
struggling to get promises working correctly in angularjs service provider i've read the docs as well as numerous examples (here, here and here) and i think i've got my syntax ok (although obviously something is wrong)  app module and control...

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