Ember.js RouterService set() Method
Last Updated :
28 Apr, 2025
Ember.js is an open-source JavaScript framework used for developing large client-side web applications which is based on Model-View-Controller (MVC) architecture. Ember.js is one of the most widely used front-end application frameworks. It is made to speed up development and increase productivity. Currently, it is utilized by a large number of websites, including Square, Discourse, Groupon, Linked In, Live Nation, Twitch, and Chipotle.
The set() method is used to change the value of a given property to a specified value.
Syntax:
set(key,value)
Parameters:
- key: The property whose value is to be changed.
- value: The new value.
Returns: The passed value.
Steps to Install and Run Ember.js:
Step 1: To run the following examples, you will need to have an ember project with you. To create one, you will need to install ember-cli first. Write the below code in the terminal:
npm install ember-cli
Step 2: Now, you can create the project by typing in the following piece of code:
ember new <project-name> --lang en
To start the server, type:
ember serve
Example 1: Type the following code to generate the route for this example:
ember generate route students
app/route/students.js
JavaScript
import Route from '@ember/routing/route';
import EmberObject from '@ember/object';
const Student = EmberObject.extend({
init() {
console.log(`Name is ${this.get('name')}`);
}
});
export default class StudentsRoute extends Route {
student;
createStudent() {
let student = Student.create({
name: 'Alix Mainston',
gender: 'F',
class: 9,
grade: 'B',
marks: 98,
pocket_money: 9643,
});
return student;
}
getGrade(student) {
return student.get('grade');
}
setGender(student) {
return student.set('gender', 'F');
}
decreaseMarks(student) {
student.decrementProperty('marks');
}
increasePocketMoney(student) {
student.incrementProperty('pocket_money', 1000);
}
model() {
this.student = this.createStudent();
this.student.grade = this.getGrade(this.student);
this.student.gender = this.setGender(this.student);
this.decreaseMarks(this.student);
this.increasePocketMoney(this.student);
return this.student;
}
setupController(controller, model) {
super.setupController(controller, model);
controller.set('student', this.student);
}
}
app/template/students.hbs
HTML
{{page-title "Students"}}
<h1>Details:</h1>
<div>Name: {{this.student.name}}</div>
<div>Gender: {{this.student.gender}}</div>
<div>Class: {{this.class}}</div>
<div>Grade: {{this.student.grade}}</div>
<div>Marks: {{this.student.marks}}</div>
<div>Pocket Money: {{this.student.pocket_money}}</div>
{{outlet}}
Output:
Example 2: Type the following code to generate the route for this example:
ember generate route details
app/route/details.js
JavaScript
import Route from '@ember/routing/route';
import EmberObject from '@ember/object';
import StudentsRoute from './students';
const Person = EmberObject.extend({
init() {
console.log('Init Function called....');
},
});
export default class DetailsRoute extends Route {
person;
createPerson() {
let person = Person.create({
name: 'Anubhav',
mobile: '1298119967',
age: 20,
salary: 10000,
city: 'Patna',
country: 'India',
gender: 'M',
zipCode: '800020',
});
return person;
}
changeName(person) {
return person.set('name', 'Aayush');
}
getGender(person) {
return person.get('gender');
}
increaseSalary(person) {
person.incrementProperty('salary', 10000);
}
decreaseAge(person) {
person.decrementProperty('age');
}
model() {
this.person = this.createPerson();
this.person.name = this.changeName(this.person);
this.person.gender = this.getGender(this.person);
this.increaseSalary(this.person);
this.decreaseAge(this.person);
console.log(this.person);
return this.person;
}
setupController(controller, model) {
super.setupController(controller, model);
controller.set('person', this.person);
}
}
app/template/details.hbs
HTML
{{page-title "Details"}}
<h1>Person</h1>
<div>Name: {{this.person.name}}</div>
<div>Age: {{this.person.age}}</div>
<div>Salary: {{this.person.salary}}</div>
<div>Gender: {{this.person.gender}}</div>
<div>Zip Code: {{this.person.zipCode}}</div>
<div>Mobile: {{this.person.mobile}}</div>
{{outlet}}
Output:
Reference: https://api.emberjs.com/ember/4.7/classes/RouterService/methods