Ember.js MutableArray addObjects() Method

Ember.js is an open-source JavaScript framework used for developing large client-side web applications which are 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 addObject() method is used to add each object into the array.

Syntax:

addObjects( objects );

Property:

• objects: It is the objects to add in array.

Return Value: It returned the EmberArray receiver.

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

Now you can create the project by typing in the following piece of code:

ember new <project-name> --lang en

Step 2: To start the server, type:

ember serve

Example 1: Type the following code to generate the route for this example:

ember generate route addObjects

app/routes/add-objects.js

import Route from '@ember/routing/route';

export default class WebsitesRoute extends Route {
    websites = [
        {
            'name': 'Wikipedia',
            'link': 'www.wikipedia.com'
        },
        {
            'name': 'Facebook',
            'link': 'www.facebook.com'
        },
        {
            'name': 'Google',
            'link': 'www.google.com'
        },
        {
            'name': 'Twitter',
            'link': 'www.twitter.com'
        }
    ];
    moreWebsites = [
        {
            'name': 'Instagram',
            'link': 'www.instagram.com'
        },
        {
            'name': 'Amazon',
            'link': 'www.amazon.com'
        }
    ]
    model() {
        return this.websites;
    }
    setupController(controller, model) {
        this._super(controller, model);
        controller.set('websites', this.websites);
        controller.set('moreWebsites', this.moreWebsites);
    }
}

app/controllers/add-objects.js

import Ember from 'ember';
import { pushObjects, setEach } from '@ember/array';

export default Ember.Controller.extend({
    actions: {
        add() {
            this.websites.addObjects(this.moreWebsites);
        }
    },
});

app/templates/add-objects.hbs

{{page-title "Websites"}}
<h3>Websites</h3>
<br /><br />
<table>
    <tr>
        <th>Name</th>
        <th>Website Link</th>
      </tr>
      {{#each @model as |website|}}
    <tr>
          <td>{{website.name}}</td>
          <td>{{website.link}}</td>
    </tr>
      {{/each}}
</table>
<br /><br />
<input type="button" id="add-website"
    value="More Websites" {{action "add"}} />
{{outlet}}

Output: Visit localhost:4200/addObjects to view the output

Ember.js MutableArray addObjects

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

ember generate route addObjects1

app/routes/add-objects1.js

import Route from '@ember/routing/route';

export default class DetailsRoute extends Route {
    details = [
        {
            name: 'Aaksh',
            mobile: '9811129967',
            city: 'Delhi',
            country: 'India',
            gender: 'M',
            zipCode: '800020',
        },
        {
            name: 'Sweta',
            mobile: '9456712890',
            city: 'Mumbai',
            country: 'India',
            gender: 'F',
            zipCode: '400001',
        },
        {
            name: 'Satyam',
            mobile: '2222222222',
            city: 'Raipur',
            country: 'India',
            gender: 'M',
            zipCode: '110012',
        },
        {
            name: 'Shandya',
            mobile: '1122113322',
            city: 'Bangalore',
            country: 'India',
            gender: 'F',
            zipCode: '530068',
        },
        {
            name: 'Ayushi',
            mobile: '2244668800',
            city: 'Thana',
            country: 'India',
            gender: 'F',
            zipCode: '302001',
        },
    ];
    someMoreDetails = [
        {
            name: 'Yogesh',
            mobile: '1133557799',
            city: 'Chennai',
            country: 'India',
            gender: 'F',
            zipCode: '600001',
        },
        {
            name: 'Sunny',
            mobile: '9911000000',
            city: 'Masore',
            country: 'India',
            gender: 'M',
            zipCode: '574142',
        },
        {
            name: 'Khushi',
            mobile: '8888888888',
            city: 'Pune',
            country: 'India',
            gender: 'F',
            zipCode: '111045',
        },
    ];
    city;
    code;
    model() {
        return this.details;
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('details', this.details);
        controller.set('someMoreDetails', this.someMoreDetails);
        controller.set('city', this.city);
        controller.set('code', this.code);
    }
}

app/controllers/add-objects1.js

import Ember from 'ember';
import { addObjects, shiftObject, setEach } from '@ember/array';

export default Ember.Controller.extend({
    actions: {
        checkCity(city) {
            alert(`Contains Person from ${city}:
            ${this.details.isAny('city', city) ?
                    'Yes' : 'No'}`);
        },
        remove() {
            this.details.shiftObject();
        },
        pushMoreDetails() {
            this.details.addObjects(this.someMoreDetails);
        },
    },
});

app/template/add-objects1.hbs

{{page-title "Details"}}
<h3>List of People: </h3>
<br /><br />
<table>
    <tr>
        <th>Name</th>
        <th>Gender</th>
        <th>Mobile</th>
        <th>City</th>
        <th>Country</th>
        <th>Zip Code</th>
      </tr>
      {{#each @model as |detail|}}
    <tr>
          <td>{{detail.name}}</td>
          <td>{{detail.gender}}</td>
          <td>{{detail.mobile}}</td>
          <td>{{detail.city}}</td>
          <td>{{detail.country}}</td>
          <td>{{detail.zipCode}}</td>
    </tr>
      {{/each}}
</table>
<br /><br />
<div>
    <label>Enter City: </label>
      {{input value=this.city}}
</div>
<div>
    <input
           type="button"
            id="check-city"
        value="Check City"
        {{action "checkCity" this.city}}
      />
</div>
<br />
<input type="button" id="remove-detail"
    value="Remove" {{action "remove"}} />
<br /><br />
<input
    type="button"
      id="push-details"
      value="Add More Details"
      {{action "pushMoreDetails"}}
/>
{{outlet}}

Output: Visit localhost:4200/addObjects1 to view the output

Ember.js MutableArray addObjects

Reference: https://api.emberjs.com/ember/4.4/classes/MutableArray/methods/addObjects?anchor=addObjects