Ember.js Ember.NativeArray pushObject() 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 pushObject() method is used to push an object into an array.

Syntax:

pushObject(obj)

Parameters:

obj (Object): Object to push.

Return Value: Object that was passed as a parameter.

Steps to Install and Run Ember.js:

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

To start the server, type:

ember serve

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

ember generate route notepad

app/routes/notepad.js

import Route from '@ember/routing/route'; 
  
export default class NotepadRoute extends Route { 
    item; 
    items = ['Bread', 'Facewash']; 
    model() { 
        return this.items; 
    } 
    setupController(controller, model) { 
        this._super(controller, model); 
        controller.set('items', this.items); 
    } 
}

app/controllers/notepad.js

import Ember from 'ember'; 
import { pushObject } from '@ember/array'; 
  
export default Ember.Controller.extend({ 
    actions: { 
        addItem(item) { 
            console.log(item); 
            this.items.pushObject(item); 
        } 
    } 
})

app/template/notepad.hbs

{{page-title "Notepad"}} 
  
<h2>Your Items</h2> 
  
<div> 
    <label>Enter Item: </label> 
    {{input value=this.item}} 
</div> 
<div> 
    <input type="button" id="add-item" 
        value="Add Item" {{action 'addItem' this.item}}/> 
</div> 
<br/><br/> 
  
<ul> 
    {{#each @model as |i|}} 
    <li>{{i}}</li> 
    {{/each}} 
</ul> 
  
{{outlet}}

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

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

ember generate route languages

app/routes/languages.js

import Route from '@ember/routing/route'; 
import { classify, w } from '@ember/string'; 
import { pushObject } from '@ember/array'; 
  
export default class LanguagesRoute extends Route { 
    name = `mandarin_Chinese spanish english  
        Hindi bengali Portuguese russian  
        japanese western_punjabi yueChinese`; 
          
    num = `929.0 474.7 372.9 343.9 233.7  
        232.4 154.0 125.3 92.7 85.2` 
    languages = []; 
    initLanguages() { 
        this.languages = []; 
        this.name = w(this.name); 
        this.num = w(this.num) 
        for(let i = 0; i<this.name.length; i++) { 
            let obj = new Object(); 
            obj['name'] = classify(this.name[i]); 
            obj['num'] = this.num[i]; 
            this.languages.pushObject(obj); 
        } 
    } 
    model() { 
        this.initLanguages(); 
        return this.languages; 
    } 
}

app/template/languages.hbs

{{page-title "Languages"}} 
  
<h2>Most Spoken Languages in the World</h2> 
  
<table style="border: 2px solid black;padding: 30px;"> 
   <tr> 
       <th>Language</th> 
       <th>Native Speakers (millions)</th> 
   </tr> 
   {{#each @model as |language|}} 
   <tr> 
       <td>{{language.name}}</td> 
       <td>{{language.num}}</td> 
   </tr> 
   {{/each}} 
</table> 
  
{{outlet}}