Ember.js Ember.Templates.helpers array() 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 array() method is used to create an array to pass as an option to your components.

Syntax:

<MyComponent @arg1={{array
    item1 item2 item3 .....
    }}
/>

Parameters:

• MyComponent: It is the name component to which the array will pass.
• @arg: It is the name of the argument that will pass to the component as an array. 

Return Value: It doesn’t return anything.

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 server

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

ember generate route array1

app/component/compact.hbs

Javascript

<h3>{{yield}} : </h3>
<ul>
    {{#each @m as |party|}}
        <li>{{party}}</li>
      {{/each}}
</ul>
<br />

app/templates/array1.hbs

Javascript

<Compact @m = {{array 'Chintu' 'Dadu' 'Rahul' 'Prem' 'Jivan'}}>
    List of student
</Compact>
{{outlet}}

Output:

Ember.js Ember.Templates.helpers array() Method

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

ember generate route array2

app/routes/array2.js

Javascript

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

export default class StudentsRoute extends Route {
    p1 = 'Digital Camera';
    p2 = 'Jugs, cups & straws';
    p3 = 'Balloons';
    p4 = 'Scissors';
    p5 = 'Cold Drink';
    p6 = 'Table';
    model() {
        return this.p1;
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('p1', this.p1);
        controller.set('p2', this.p2);
        controller.set('p3', this.p3);
        controller.set('p4', this.p4);
        controller.set('p5', this.p5);
        controller.set('p6', this.p6);
    }
}

app/components/array2.js

Javascript

import Component from '@glimmer/component';
import { action } from '@ember/object';
export default class CompactComponent extends Component {
    @action
      print(arg) {
        alert(arg.join('\n'))
      }
}

 app/components/compact.hbs

Javascript

<h3>{{yield}} : </h3>
<ul>
    {{#each @m as |party|}}
        <li>{{party}}</li>
    {{/each}}
</ul>
<br />
<input type="button"
    id="print-item"
    value="print item"
    {{action 'print' @m}}/>

app/templates/array2.hbs

Javascript

<Compact @m = {{array this.p1 this.p2 this.p3
    this.p4 this.p5 this.p6}}>
    List of items
</Compact>
{{outlet}}

Output:

Ember.js Ember.Templates.helpers array() Method

Reference: https://api.emberjs.com/ember/4.4/classes/Ember.Templates.helpers/methods/action?anchor=action