Open In App

Ember.js RouterService getProperties() Method

Improve
Improve
Like Article
Like
Save
Share
Report

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 many websites, including Square, Discourse, Groupon, Linked In, Live Nation, Twitch, and Chipotle.

The getProperties() method is used to retrieve the value of multiple properties at once.

Syntax:

getProperties( list );

Parameters:

  •    list: It is the array of keys to get.

Return Value: Object.

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 getProperties1

app/components/arr.js

Javascript




import Component from '@glimmer/component';
import Ember from 'ember';
import EmberObject from '@ember/object';
import { action, without, set, get } from '@ember/object';
  
const Fruit = EmberObject.extend({
    init() {
        alert(`${this.getProperties('name').name} 
            is in list Now`);
    }
});
export default Ember.Component.extend({
  
    fruits: [
        {
            'name': 'Lady Finger',
            'isFruit': false,
            'color': 'green'
        },
        {
            'name': 'Brinjal',
            'isFruit': false,
            'color': 'purple'
        },
        {
            'name': 'Apple',
            'isFruit': true,
            'color': 'red'
        },
        {
            'name': 'Grapes',
            'isFruit': true,
            'color': 'green'
        },
        {
            'name': 'Mango',
            'isFruit': true,
            'color': 'yellow'
        },
        {
            'name': 'Watermelon',
            'isFruit': true,
            'color': 'red'
        },
        {
            'name': 'Orange',
            'isFruit': true,
            'color': 'orange'
        }
    ],
    
  
  @action
insertItem(data, data1, data2) {
    let temp = Fruit.create({
        name: data,
        isFruit: data1,
        color: data2
    });
    this.fruits.addObject(temp);
},
@action
removeItem(data) {
    this.fruits.set('[]', this.fruits.without
        (this.fruits.findBy('color', data)));
},
  
  
})


app/components/arr.hbs

HTML




<h3>{{yield}}</h3>
<table>
    <tr>
        <th>Name</th>
        <th>Fruit</th>
        <th>Color</th>
      </tr>
      {{#each this.fruits as |detail|}}
        <tr>
              <td>{{detail.name}}</td>
              <td>{{detail.isFruit}}</td>
              <td>{{detail.color}}</td>
        </tr>
      {{/each}}
</table>
<br /><br />
<div>
    <label>Enter Fruit Name: </label>
      {{input value=this.item1}}
</div><br />
<div>
    <label>Item is Fruit: </label>
      {{input value=this.item2}}
</div><br />
<div>
    <label>Enter Fruit color: </label>
      {{input value=this.item3}}
</div><br />
<div>
    <input
        type="button"
        id="insert-item"
        value="Insert Furit"
        {{action "insertItem" this.item1 this.item2 this.item3}}
      />
</div>
<br />
{{outlet}}


app/templates/getProperties1.hbs

HTML




<Arr>
    List of Fruits: 
</Arr>


Output:

getProperties output2

Example 2: Type the following code to generate the route for this example:

ember generate route getProperties2

app/components/arr2.js

Javascript




import Component from '@glimmer/component';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object';
import Ember from 'ember';
  
let Student = Ember.Object.extend({
    // these will be supplied by `create`
    Name: null,
    skill: null,
    id: null,
  
    init() {
        alert(`${this.getProperties('Name').Name} is Listed`);
    },
    fullName: Ember.computed('firstName', 'lastName', function () {
        return `${this.firstName} ${this.lastName}`;
    }),
  
    Changed: Ember.observer('fullName', function () {
        console.log(`fullName changed to: ${this.fullName}`);
    }),
});
  
export default Ember.Component.extend({
    students: [{
        Name: 'Balit',
        skill: 'Python',
        Id: 'stu2',
    },
    {
        Name: 'Permu',
        skill: 'PHP',
        Id: 'stu0',
    },
    {
        Name: 'Sam',
        skill: 'R',
        Id: 'stu1',
    },
    {
        Name: 'Pokhu',
        skill: 'JavaScript',
        Id: 'stu3',
    },
    {
        Name: 'Tanu',
        skill: 'Java',
        Id: 'stu4',
    },
    {
        Name: 'Arabh',
        skill: 'c++',
        Id: 'stu5',
    }], 
  @tracked
item3: 'Gulshan',
  @tracked
item2: 'Angular',
  @tracked
item1: 'stu6',
  @tracked
item4: 'Sam',
  
  @action
print(data1, data2, data3) {
    let temp = Student.create({
        Name: data1,
        skill: data2,
        Id: data3
    });
    this.students.addObject(temp);
},
@action
removeItem(data) {
    this.students.set('[]', this.students.without
        (this.students.findBy('Name', data)));
}
})


app/components/arr2.hbs

HTML




<h3>{{yield}}</h3>
<table>
    <tr>
        <th>Name</th>
        <th>skill</th>
        <th>Id</th>
      </tr>
      {{#each this.students as |detail|}}
        <tr>
              <td>{{detail.Name}}</td>
              <td>{{detail.skill}}</td>
              <td>{{get detail "Id"}}</td>
        </tr>
      {{/each}}
</table>
<br />
<div>
    <label>Enter Student FirstName: </label>
      {{input value=this.item3}}
</div>
<br />
<div>
    <label>Enter Student LastName: </label>
      {{input value=this.item2}}
</div>
<br />
<div>
    <label>Enter Student Id: </label>
      {{input value=this.item1}}
</div>
<br />
<input
    type="button"
      id="set-code"
      value="Update Student details"
      {{action "print" this.item3 this.item2 this.item1}}
/>
<br />
<br />
{{outlet}}


app/templates/getProperties2.hbs

HTML




<Arr2>
    List of Students: 
</Arr2>


Output:

getProperties output2

Reference: https://api.emberjs.com/ember/4.6/classes/RouterService/methods/getProperties?anchor=getProperties



Last Updated : 01 Dec, 2022
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads