Hello everyone, I am going to share the Promise Concept of AngularJs. The Promise Concept provide the synchronous call facility.
The demo example as given below. click for plnker demo
AngularJs code-sample
The demo example as given below. click for plnker demo
AngularJs code-sample
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| var app = angular.module("promisesApp", []); app.controller("promisesCtrl", function($scope, $q) { var promise1 = $q.defer(); var promise2 = $q.defer(); //This is promise1. promise1.promice.then(function(value) { // TODO : success code custom login here. }, function(value) { // TODO : error code custom login here. }); //This is promise2. promise2.promice.then(function(value) { // TODO : success code custom login here. }, function(value) { // TODO : error code custom login here. }); //Call both the promises here. $q.all([promise1.prpmice, promise2.promice]) .then(function() { //TODOD: When both task are completed here. }, function() { //TODOD: When both task are rejected here. }); } |
var app = angular.module("promisesApp", []);
app.controller("promisesCtrl", function($scope, $q) {
var promise1 = $q.defer();
var promise2 = $q.defer();
//This is promise1.
promise1.promice.then(function(value) {
// TODO : success code custom login here.
}, function(value) {
// TODO : error code custom login here.
});
//This is promise2.
promise2.promice.then(function(value) {
// TODO : success code custom login here.
}, function(value) {
// TODO : error code custom login here.
});
//Call both the promises here.
$q.all([promise1.prpmice, promise2.promice])
.then(function() {
//TODOD: When both task are completed here.
}, function() {
//TODOD: When both task are rejected here.
});
}
Full Example code-sample
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| <!DOCTYPE html><html><head> <meta charset="utf-8" /> <title>angularjs $http synchronous call</title> <script> var app = angular.module("promisesApp", []); app.controller("promisesCtrl", function($scope, $q) { var promise1 = $q.defer(); var promise2 = $q.defer(); //This is promise1. promise1.promice.then(function(value) { // TODO : success code custom login here. }, function(value) { // TODO : error code custom login here. }); //This is promise2. promise2.promice.then(function(value) { // TODO : success code custom login here. }, function(value) { // TODO : error code custom login here. }); //Call both the promises here. $q.all([promise1.prpmice, promise2.promice]) .then(function() { //TODOD: When both task are completed here. }, function() { //TODOD: When both task are rejected here. }); } </script></head><body ng-app="promisesApp"> <div ng-controller="promisesCtrl"> <h1>Hello, Anil Singh</h1> </div></body></html> |
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>angularjs $http synchronous call</title>
<script src="https://code.angularjs.org/1.3.14/angular.js"></script>
<script>
var app = angular.module("promisesApp", []);
app.controller("promisesCtrl", function($scope, $q) {
var promise1 = $q.defer();
var promise2 = $q.defer();
//This is promise1.
promise1.promice.then(function(value) {
// TODO : success code custom login here.
}, function(value) {
// TODO : error code custom login here.
});
//This is promise2.
promise2.promice.then(function(value) {
// TODO : success code custom login here.
}, function(value) {
// TODO : error code custom login here.
});
//Call both the promises here.
$q.all([promise1.prpmice, promise2.promice])
.then(function() {
//TODOD: When both task are completed here.
}, function() {
//TODOD: When both task are rejected here.
});
}
</script>
</head>
<body ng-app="promisesApp">
<div ng-controller="promisesCtrl">
<h1>Hello, Anil Singh</h1>
</div>
</body>
</html>