Ember.js Service set() Method
Last Updated :
26 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
Step 3: 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/controllers/students.js
Javascript
import Ember from 'ember';
export default Ember.Controller.extend({
name: 'Alix Mainston',
gender: 'F',
class: 9,
grade: 'B',
pocket_money: 9643,
pass: true,
newName: '',
newGender: '',
actions: {
setName(val) {
this.set('name', val);
},
setGender(val) {
this.setProperties({ 'gender': val })
},
togglePass() {
this.toggleProperty('pass');
},
},
});
|
app/template/students.hbs
HTML
{{page-title "Students"}}
<h1>Details:</h1>
<div>Name: {{this.name}}</div>
<div>Gender: {{this.gender}}</div>
<div>Class: {{this.class}}</div>
<div>Grade: {{this.grade}}</div>
<div>Pocket Money: {{this.pocket_money}}</div>
<div>Pass: {{if this.pass "Yes" "No"}}</div>
<br /><br />
<div>
<label>Enter Name: </label>
{{input value=this.newName}}
</div>
<input
type="button"
id="set-name"
value="Change Name"
{{action "setName" this.newName}}
/>
<br /><br />
<div>
<label>Enter Gender: </label>
{{input value=this.newGender}}
</div>
<input
type="button"
id="set-gender"
value="Change Gender"
{{action "setGender" this.newGender}}
/>
<br /><br />
<input
type="button"
id="click-here"
value="Click Here to Ruin Career!"
{{action "togglePass"}}
/>
{{outlet}}
|
Output:
Example 2: Type the following code to generate the route for this example:
ember generate route details
app/controllers/details.js
Javascript
import Ember from 'ember';
export default Ember.Controller.extend({
name: 'Anubhav',
mobile: '1298119967',
age: 20,
salary: 10000,
city: 'Patna',
country: 'India',
gender: true,
zipCode: '800020',
newName: '',
newAge: '',
newSalary: '',
actions: {
setName(val) {
this.set('name', val);
},
changeDetails(val1, val2) {
this.setProperties({ 'age': val1, 'salary': val2 });
},
toggleGender() {
this.toggleProperty('gender');
},
},
});
|
app/template/details.hbs
HTML
{{page-title "Details"}}
<div>{{this.name}}</div>
<div>{{this.age}}</div>
<div>{{this.salary}}</div>
<div>{{if this.gender "MALE" "FEMALE"}}</div>
<div>{{this.zipCode}}</div>
<br /><br />
<div>
<label>Enter Name: </label>
{{input value=this.newName}}
</div>
<input
type="button"
id="set-name"
value="Change Name"
{{action "setName" this.newName}}
/>
<br /><br />
<div>
<label>Enter Age: </label>
{{input value=this.newAge}}
</div>
<div>
<label>Enter Salary: </label>
{{input value=this.newSalary}}
</div>
<input
type="button"
id="changeDetails"
value="Change Details"
{{action "changeDetails" this.newAge this.newSalary}}
/>
<br /><br />
<input
type="button"
id="toggle-gender"
value="Toggle Gender"
{{action "toggleGender"}}
/>
<br /><br />
{{outlet}}
|
Output:
Reference: https://api.emberjs.com/ember/4.7/classes/Service/methods/