I have a service called paymentStrategy that get injected in my controller.  $scope.buy = function() {   paymentStrategy.buy()     .then(function(response) {    } }   This buy method from paymentStrategy triggers several methods that needs to be call...
When I reading this answer, find var g = f.call.bind(f);. I can't understand this with my first sight.  So does it has some direct meaning, and has some appropriate usage scenarios?  And further when you using call(or apply) or bind or both in ch...
I have this code:  jQuery('#flash').animate({opacity: 0.35}, 200)                 .animate({opacity: 0}, 200)                 .animate({opacity: 0.35}, 200)                 .animate({opacity: 0}, 200)                 .animate({opacity: 0.35},...
Today I'm working on a pet project using chained function calls, and I'm curious how I might detect when the last function in the chain is executed. For example:  func1('initial data').func2().func3().func4();   And after func2-4 have...
If i have   promise = userService.updateUser($stateParams.userId, req);  promise.then(     function(user) {         logger.logSuccess('Updated user');         $scope.resetForm();         WizardHandler.wizard().goTo(0);         return user;...
Actaully my application is having hundreds of pages. Now i have to attach an event 'disablePage' on onSubmit of form. I don't want to go to each and every page and write:  <form name="frmname" onSubmit="disablePage();"&...
I'm new to ES6 and Javascript and I can't figure out what's wrong with chaining this dump() method in the following piece of code.  It returns "main.js:25 Uncaught TypeError: Cannot read property 'dump' of undefined":  cla...
I consider myself (at best) a mid-level JavaScript guy...and of course...I want to understand HOW some things are accomplished so I can write better code.  As such, I've been looking under-the-hood of jQuery trying to uderstand it a little more a...
Dear stackoverflow community,  I am using application craft as a JS cloud IDE and integrating Parse's cloud database for storage.  I'm writing a subscription service and want to check to see if a user is already subscribed prior to either aut...
Given this following sample code which clones a table row, sets some properties and then appends it to a table:  $("#FundTable").append(     objButton.parents("tr").clone()         .find(".RowTitle").text("Row " + nAdd...

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