Ember.js Route get() Method

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 get() method is used to retrieve the value of the passed property from the object.

Syntax:

get( keyName );

Parameters:

• keyName: It is the name of the property to retrieve.

Return: The Property value or undefined.

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 get1

app/components/array1.js

Javascript

import Component from '@glimmer/component';
import Ember from 'ember';
import { tracked } from '@glimmer/tracking';
import { action, addObjects, set, get } from '@ember/object';
export default Ember.Component.extend({
    value: 'value',
    init() {
        this._super(...arguments);
        this.addObserver('value', this, 'change');
        alert('Route Init() is initiated');
    },
    change() {
        console.log('Value changed ')
    },
    p1: [
        'Oxygen',
        'Source Code',
        'Infinite',
        'Tenet',
        'SpiderHead',
        'The Thing',
        'A Quiet Place',
        'The Invisible Man',
        'Looper',
        'Ad Astra',
    ],


  @action
remove(data) {
    this.p1.set('[]', this.p1.without(data));
},
@action
print(){
    let ans = this.p1.get('[]');
    alert(ans.join('\n'))
}

})

app/components/get1.hbs

HTML

<ul>
    <h3>{{yield}} </h3>
          {{#each this.p1 as |party|}}
            <li>{{party}}</li>
          {{/each}}
    </ul>
<br />
{{input value=this.value}}
<br />
<input
    type="button"
      id="check-atIndex"
      value="Remove"
      {{action "remove" this.value}}
/>
<br /><br />
<input
    type="button"
      id="print-item"
      value="Print All Items"
      {{action "print"}}
/>

app/templates/get1.hbs

HTML

<Arr> <h3>List is : </h3></Arr>

Output:

Ember.js Route get() Method

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

ember generate route get2

app/components/arr2.js

Javascript

import Component from '@glimmer/component';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object';
import { mapBy } from '@ember/object';
import Ember from 'ember';
let Student = Ember.Object.extend({
    // these will be supplied by `create`
    firstName: null,
    lastName: null,

    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: [
        Student.create({
            firstName: 'Kasual',
            lastName: 'Singh',
            Id: 'stu2',
        }),
        Student.create({
            firstName: 'Yehuda',
            lastName: 'Katz',
            Id: 'stu0',
        }),
        Student.create({
            firstName: 'Yella',
            lastName: 'melo',
            Id: 'stu1',
        }),
        Student.create({
            firstName: 'Pokhu',
            lastName: 'Verma',
            Id: 'stu3',
        })],
  @tracked
value: 'Pokhu',

  @tracked
value2: 'Pokhraj',

  @action
print(data1, data2) {
    let ans = this.students.find((item) =>
        item.get('firstName') == data1)
    ans.set('lastName', data2)
}
})

app/components/arr2.hbs

HTML

{{yield}}
<table>
    <tr>
        <th>Name</th>
        <th>Id</th>
      </tr>
      {{#each this.students as |detail|}}
        <tr>
            <td>{{detail.fullName}}</td>
              <td>{{get detail "Id"}}</td>
        </tr>
      {{/each}}
</table>
<br />
{{input value=this.value}}
{{input value=this.value2}}
<br />
<input
    type="button"
      id="set-code"
      value="Update Student details"
      {{action "print" this.value this.value2}}
/>

app/templates/get2.hbs

HTML

<Arr2><h3>Students Details :</h3></Arr2>

Output:

Ember.js Route get() Method

Reference: https://api.emberjs.com/ember/4.6/classes/Route/methods/get?anchor=get