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>
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Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..
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