Ember.js ArrayProxy content Property

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 content Property is used to forward the object property.

Syntax:

ArrayProxy.create({content: value})

Properties: 

• value: It is a value that we want to set for the content.

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 test1

app/routes/test1.js

Javascript

import Route from '@ember/routing/route';
import EmberObject from '@ember/object';
import Ember from 'ember';

let List = Ember.ArrayProxy.extend({});

export default class FruitsRoute extends Route {
    temp = [
        'python',
        'javascript',
        'java',
        'Php',
        'Django',
        'Angular',
        'c++',
        'c',
    ];
    list = List.create({ content: this.temp });
    item2;
    item3;

    model() {
        return this.list;
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('fruits', this.fruits);
        controller.set('item1', this.item1);
        controller.set('item2', this.item2);
        controller.set('list', this.list);
        controller.set('temp', this.temp);
    }
}

app/controllers/test1.js

Javascript

import Ember from 'ember';
import { addObject, isAny, isEvery } from '@ember/array';
import EmberObject from '@ember/object';

export default Ember.Controller.extend({
    actions: {
        print() {
            let temp = this.list.content;
            alert(temp.join('\n'));
        },
        find(data) {
            alert(this.list.objectAtContent(data));
        },
    },
});

app/templates/test1.hbs

HTML

{{page-title "Example"}}
<h3>Here is a list of Languages: </h3>
<table>
    {{#each @model as |item|}}
        <tr>
            <td>{{item}}</td>
        </tr>
    {{/each}}
</table>
<br />
<div>
    <label>Enter Index: </label>
    {{input value=this.item3}}
</div>
<br />
<div>
    <input
        type="button"
        id="print-item"
        value="Print items At"
        {{action "find" this.item3}}
    />
</div>
<br /><br />
<div>
    <input
        type="button"
        id="print-item"
        value="Print All items"
        {{action "print"}}
    />
</div>
{{outlet}}

Output:

content property output1

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

ember generate route test2

app/routes/test2.js

Javascript

import Route from '@ember/routing/route';
import { A } from '@ember/array';
import ArrayProxy from '@ember/array/proxy';

export default class List2Route extends Route {
    list = ArrayProxy.create({
        content: A([
            'Oxygen',
            'Source Code',
            'Infine',
            'Tenet',
            'SpiderHead',
            'The Thing',
            'A Quiet Place',
            'The Invisible Man',
            'Looper',
            'Ad Astra',
        ])
    });
    model() {
        return this.list;
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('list', this.list);
    }
}

app/controllers/test2.js

Javascript

import Controller from '@ember/controller';
import { action } from '@ember/object';

export default class List2Controller extends Controller {
    @action
    print() {
        let temp = this.list.content;
        alert(temp.join('\n'));
    }
    @action
    show(data) {
        alert(this.list.objectAtContent(data));
    }

}

app/templates/test2.hbs

HTML

{{page-title "Example"}}
<h3>Here is a list of eatables: </h3>
<table>
    {{#each @model as |item|}}
        <tr>
            <td>{{item}}</td>
        </tr>
    {{/each}}
</table>
<br />
<div>
    <label>Enter Index: </label>
    {{input value=this.item3}}
</div>
<br />
<div>
    <input
        type="button"
        id="print-item"
        value="Item At index"
        {{action "show" this.item3}}
    />
</div>
<br /><br />
<div>
    <input
        type="button"
        id="print-item"
        value="Print All items"
        {{action "print"}}
    />
</div>
{{outlet}}

Output:

content property output2

Reference: https://api.emberjs.com/ember/4.6/classes/ArrayProxy/properties/content?anchor=content