The document describes several ways to share data between controllers in AngularJS, including using $rootScope to share data globally, creating a factory to share data, updating data in factories using functions, and watching for data changes using $watch. It provides code examples for each approach.
We Will learn about:
What is AngularJs?
Key Points
Core Features of AngularJS
How is it works?
AngularJs Terminologies
AngularJs directives
How we start work on AngularJs?
AngularJs Tags
How we use Yeoman?
Advantages and Disadvantages
We Will learn about:
What is AngularJs?
Key Points
Core Features of AngularJS
How is it works?
AngularJs Terminologies
AngularJs directives
How we start work on AngularJs?
AngularJs Tags
How we use Yeoman?
Advantages and Disadvantages
AngularJS is a JavaScript framework made by Google for building complex client-side applications.
Angular.js is a MVW (Model-View-Whatever) open-source JavaScript web framework that facilitates the creation of single-page applications (SPA) and data-driven apps.
Angular projects have a somewhat different structure than other JavaScript MVC frameworks, but it can be highly modular and easy to maintain once you understand the structure.
AngularJS is a JavaScript MVC framework developed by Google that lets you build well structured, easily testable, and maintainable front-end applications
Introduction to AngularJS
مقدمة عن AngularJS
Follow us on Egyptian NodeJs Community on google+
https://plus.google.com/u/0/communities/110403046378899425503
This is a laconic presentation on Angular JS for beginners only. I have emphasized on example rather than theory. There are self explained source code urls attached with slides. In the last slide I have attached source code for a real life example using Angular JS an BootStrap which may be very helpful to understand the concept of Angular JS.
AngularJS, a MVW framework from Google is based on JavaScript, a language globally known to millions of developers worldwide - thus giving it a much lower learning curve even for complete beginners. Integrating AngularJS is simple as it evaluates page once HTML is in the DOM and make easier to bind Angular on top of existing applications. It can run along with Node.js, an asynchronous development platform with lightning speed execution, which makes building Mean Stack applications easier and faster. AngularJS comes with a very good documentation and also have wide range of third party modules making it user-friendly for developers.
AngularJs Superheroic JavaScript MVW Framework Services by Miracle StudiosLearnimtactics
AngularJs is next big thing. Have a read for making strong your skills in AngularJs. We are sharing with you basic model of angularjs, How it is work and what are his basics. Enjoy the information.
Material I prepared for a beginner's workshop on AngularJS. Feel free to change it for your own use. I would appreciate it if you attributed the original to me.
AngularJS - What is it & Why is it awesome ? (with demos)Gary Arora
AngularJS - What is it & Why is it awesome! A quick introduction to AngularJS, its features and some demos. This deck was part of Gary Arora's presentation for the Boston Code Mastery event in December 2013.
Agenda:
1- Introduction: basic description and overview about what is angular and why we should use it.
2- AngularJS Core Features: key features of angularJS.
3- Guides and help: API and documentation references, in addition of online courses.
Controller is a JavaScript constructor function that is used to augment the Angular Scope. Controllers are the place where we define our application behaviors by defining properties and functions.
AngularJS is a JavaScript framework made by Google for building complex client-side applications.
Angular.js is a MVW (Model-View-Whatever) open-source JavaScript web framework that facilitates the creation of single-page applications (SPA) and data-driven apps.
Angular projects have a somewhat different structure than other JavaScript MVC frameworks, but it can be highly modular and easy to maintain once you understand the structure.
AngularJS is a JavaScript MVC framework developed by Google that lets you build well structured, easily testable, and maintainable front-end applications
Introduction to AngularJS
مقدمة عن AngularJS
Follow us on Egyptian NodeJs Community on google+
https://plus.google.com/u/0/communities/110403046378899425503
This is a laconic presentation on Angular JS for beginners only. I have emphasized on example rather than theory. There are self explained source code urls attached with slides. In the last slide I have attached source code for a real life example using Angular JS an BootStrap which may be very helpful to understand the concept of Angular JS.
AngularJS, a MVW framework from Google is based on JavaScript, a language globally known to millions of developers worldwide - thus giving it a much lower learning curve even for complete beginners. Integrating AngularJS is simple as it evaluates page once HTML is in the DOM and make easier to bind Angular on top of existing applications. It can run along with Node.js, an asynchronous development platform with lightning speed execution, which makes building Mean Stack applications easier and faster. AngularJS comes with a very good documentation and also have wide range of third party modules making it user-friendly for developers.
AngularJs Superheroic JavaScript MVW Framework Services by Miracle StudiosLearnimtactics
AngularJs is next big thing. Have a read for making strong your skills in AngularJs. We are sharing with you basic model of angularjs, How it is work and what are his basics. Enjoy the information.
Material I prepared for a beginner's workshop on AngularJS. Feel free to change it for your own use. I would appreciate it if you attributed the original to me.
AngularJS - What is it & Why is it awesome ? (with demos)Gary Arora
AngularJS - What is it & Why is it awesome! A quick introduction to AngularJS, its features and some demos. This deck was part of Gary Arora's presentation for the Boston Code Mastery event in December 2013.
Agenda:
1- Introduction: basic description and overview about what is angular and why we should use it.
2- AngularJS Core Features: key features of angularJS.
3- Guides and help: API and documentation references, in addition of online courses.
Controller is a JavaScript constructor function that is used to augment the Angular Scope. Controllers are the place where we define our application behaviors by defining properties and functions.
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Different way to share data between controllers in angular js
1. How to share data between controllers in
AngularJs
2. Some time we need to share data between controllers. Today I am showing
different way to sharedata between controllers.
Share data between controllers in
AngularJs with $rootScope
Plnkr - http://plnkr.co/edit/QFH62vsWwvJTuCxfNE46?p=preview
<!DOCTYPE html>
<html>
<head>
<title>Share data between controllers in AngularJs with $rootScope</title>
<link rel="stylesheet"
href="http://getbootstrap.com/2.3.2/assets/css/bootstrap.css">
<script
src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.js"></scri
pt>
<script>
var app = angular.module("myApp", []);
app.run(function($rootScope) {
$rootScope.userData = {};
$rootScope.userData.firstName = "Ravi";
$rootScope.userData.lastName = "Sharma";
});
app.controller("firstController", function($scope, $rootScope) {
});
app.controller("secondController", function($scope, $rootScope) {
});
</script>
</head>
<body ng-app="myApp">
<div ng-controller="firstController">
<br>
<input type="text" ng-model="userData.firstName">
<br>
<input type="text" ng-model="userData.lastName">
<br>
<br>First Name: <strong>{{userData.firstName}}</strong>
<br>Last Name : <strong>{{userData.lastName}}</strong> </div>
<hr>
4. Share data between controllers in
AngularJs using factory
Plnkr - http://plnkr.co/edit/O3h3Vh1nGjo810vjvJA4?p=preview
<!DOCTYPE html>
<html>
<head>
<title>Share data between controllers in AngularJs using factory</title>
<link rel="stylesheet"
href="http://getbootstrap.com/2.3.2/assets/css/bootstrap.css">
<script
src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.js"></scri
pt>
<script>
var app = angular.module("myApp", []);
app.factory('userFactory', function() {
return {
userData: {
firstName: '',
lastName: ''
}
};
});
app.controller("firstController", function($scope, userFactory) {
$scope.data = userFactory.userData;
$scope.data.firstName="Ravi";
$scope.data.lastName="Sharma";
});
app.controller("secondController", function($scope, userFactory) {
$scope.data = userFactory.userData;
});
</script>
</head>
<body ng-app="myApp">
<div ng-controller="firstController">
<br>
<input type="text" ng-model="data.firstName"><br>
<input type="text" ng-model="data.lastName">
<br>
5. <br>First Name: <strong>{{data.firstName}}</strong>
<br>Last Name : <strong>{{data.lastName}}</strong>
</div>
<hr>
<div ng-controller="secondController"> Showing first name and last name on
second controller: <b> {{data.firstName}} {{data.lastName}}</b> </div>
</body>
</html>
Example
6. Share data between controllers in
AngularJs with Factory Update Function
Plnkr - http://plnkr.co/edit/bXwR4SOP3Nx9zlCVFUFe?p=preview
<!DOCTYPE html>
<html>
<head>
<title>Share data between controllers in AngularJs with Factory Update
Function</title>
<link rel="stylesheet"
href="http://getbootstrap.com/2.3.2/assets/css/bootstrap.css">
<script
src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.js"></scri
pt>
<script>
var app = angular.module("myApp", []);
app.factory('userFactory', function() {
return {
userData: {
firstName: '',
lastName: ''
},
updateUserData: function(first, last) {
this.userData.firstName = first;
this.userData.lastName = last;
}
};
});
app.controller("firstController", function($scope, userFactory) {
$scope.data = userFactory.userData;
$scope.updateInfo = function(first, last) {
userFactory.updateUserData(first, last);
};
});
app.controller("secondController", function($scope, userFactory) {
$scope.data = userFactory.userData;
});
</script>
</head>
<body ng-app="myApp">
<div ng-controller="firstController">
7. <br>
<input type="text" ng-model="firstName"><br>
<input type="text" ng-model="lastName"><br>
<button ng-click="updateInfo(firstName,lastName)">Update</button>
<br>
<br>First Name: <strong>{{data.firstName}}</strong>
<br>Last Name : <strong>{{data.lastName}}</strong>
</div>
<hr>
<div ng-controller="secondController"> Showing first name and last name on
second controller: <b> {{data.firstName}} {{data.lastName}}</b> </div>
</body>
</html>
Example
8. Share data between controllers in
AngularJs with factory and $watch
function
Plnkr -http:/plnkr.co/edit/rQcYsI1MoVsgM967MwzY?p=preview
<!DOCTYPE html>
<html>
<head>
<title>Share data between controllers in AngularJs with factory and $watch
function</title>
<link rel="stylesheet"
href="http://getbootstrap.com/2.3.2/assets/css/bootstrap.css">
<script
src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.js"></scri
pt>
<script>
var app = angular.module("myApp", []);
app.factory('userFactory', function() {
var empData = {
FirstName: ''
};
return {
getFirstName: function () {
return empData.FirstName;
},
setFirstName: function (firstName,lastName) {
empData.FirstName = firstName;
}
};
});
app.controller("firstController", function($scope, userFactory) {
$scope.firstName = '';
$scope.lastName = '';
$scope.$watch('firstName', function (newValue, oldValue) {
if (newValue !== oldValue)
userFactory.setFirstName(newValue);
});
9. });
app.controller("secondController", function($scope, userFactory) {
$scope.$watch(function ()
{ return userFactory.getFirstName();
},
function (newValue, oldValue) {
if (newValue !== oldValue)
$scope.firstName = newValue;
});
});
</script>
</head>
<body ng-app="myApp">
<div ng-controller="firstController">
<br>
<input type="text" ng-model="firstName"><br>
<br>
<br>First Name: <strong>{{firstName}}</strong>
</div>
<hr>
<div ng-controller="secondController">
Showing first name and last name on second controller: <b> {{firstName}}
</b> </div>
</body>
</html>
Example
10. Share data between controllers in
AngularJs with complex object using
$watch
Plnkr - http://plnkr.co/edit/8gQI7im5JjF6Zb9tL1Vb?p=preview
<!DOCTYPE html>
<html>
<head>
<title>Share data between controllers in AngularJs with complex object
using $watch</title>
<link rel="stylesheet"
href="http://getbootstrap.com/2.3.2/assets/css/bootstrap.css">
<script
src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.4/angular.js"></scri
pt>
<script>
var app = angular.module("myApp", []);
app.factory('userFactory', function() {
var empData = {
FirstName: '',
LastName: ''
};
return {
getEmployee: function() {
return empData;
},
setEmployee: function(firstName, lastName) {
empData.FirstName = firstName;
empData.LastName = lastName;
}
};
});
11. app.controller("firstController", function($scope, userFactory) {
$scope.Emp = {
firstName: '',
lastName: ''
}
$scope.$watch('Emp', function(newValue, oldValue) {
if (newValue !== oldValue) {
userFactory.setEmployee(newValue.firstName,
newValue.lastName);
}
}, true); //JavaScript use "reference" to check equality when we
compare two complex objects. Just pass [objectEquality] "true" to $watch
function.
});
app.controller("secondController", function($scope, userFactory) {
$scope.Emp = {
firstName: '',
firstName: ''
}
$scope.$watch(function() {
return userFactory.getEmployee();
}, function(newValue, oldValue) {
if (newValue !== oldValue) $scope.Emp.firstName =
newValue.FirstName;
$scope.Emp.lastName = newValue.LastName;
}, true);
});
</script>
</head>
<body ng-app="myApp">
<div ng-controller="firstController">
<br>
<input type="text" ng-model="Emp.firstName">
<br>
<input type="text" ng-model="Emp.lastName">
<br>
<br>
<br> First Name: <strong>{{Emp.firstName}}</strong>
<br>Last Name: <strong>{{Emp.lastName}}</strong> </div>
<hr>
<div ng-controller="secondController"> Showing first name and last name on
second controller: First Name - <strong> {{Emp.firstName}} </strong>, Last
Name: <strong>{{Emp.lastName}}</strong> </div>
</body>
</html>
Example