{{ action FunctionName }}

npm install ember-cli

ember new <project-name> --lang en

ember server

ember generate route action1

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

<h3>{{yield}} : </h3>
<ul>
    {{#each @m as |party|}}
        <li>{{party}}</li>
    {{/each}}
</ul>
<br />
<input
    type="button"
    id="check-atIndex"
    value="Print Except this Item"
    {{action "Print" @m}}
/>

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

ember generate route array2

import Component from '@glimmer/component';
import { action, addObjects } from '@ember/object';
export default class CompactComponent extends Component {
    items = ['Oxygen',
        'Source Code',
        'Infine',
        'Tenet',
        'SpiderHead',
        'The Thing',
        'A Quiet Place',
        'The Invisible Man',
        'Looper',
        'Ad Astra',];
 
    @action
    remove() {
        this.items.popObject();
    }
}

<h3>{{yield}} : </h3>
<ul>
    {{#each this.items as |party|}}
        <li>{{party}}</li>
    {{/each}}
</ul>
<br />
<input
    type="button"
    id="check-atIndex"
    value="Print Except this Item"
    {{action "remove" }}
/>

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);
    }
}

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