Ember.js ArrayProxy forEach() Method

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

export default class FruitsRoute extends Route {
    fruits = [
        {
            'name': 'Lady Finger',
            'isFruit': false,
            'color': 'green'
        },
        {
            'name': 'Brinjal',
            'isFruit': false,
            'color': 'purple'
        },
        {
            'name': 'Apple',
            'isFruit': true,
            'color': 'red'
        },
        {
            'name': 'Grapes',
            'isFruit': true,
            'color': 'green'
        },
        {
            'name': 'Mango',
            'isFruit': true,
            'color': 'yellow'
        },
        {
            'name': 'Watermelon',
            'isFruit': true,
            'color': 'red'
        },
        {
            'name': 'Orange',
            'isFruit': true,
            'color': 'orange'
        }
    ];
    item2;
    item3;
    hello(data) {
        this.set('color', data);
    }
    init() {
        this._super(...arguments);
        this.fruits.addObserver('color', this, 'hello');
    }
    model() {
        this.init();
        return this.fruits;
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('fruits', this.fruits);
        controller.set('item1', this.item1);
        controller.set('item2', this.item2);
        controller.set('item3', this.item3);
    }
}

import Ember from "ember";
import { addObject, isAny, isEvery } from "@ember/array";

export default Ember.Controller.extend({
    actions: {
        print_Color() {
            let temp = '';
            this.fruits.forEach((item) => temp += 
            `${item.name} is ${item.color} color` + '\n');
            alert(temp ? temp : 'No item in list')
        },
        remove() {
            this.fruits.clear();

        },
    },
});

{{page-title "Fruits"}}
<h3>Here is a list of eatables: </h3>
<table>
    <tr>
        <th>Name</th>
        <th>Fruit</th>
        <th>Color</th>
    </tr>
    {{#each @model as |detail|}}
    <tr>
        <td>{{detail.name}}</td>
        <td>{{detail.isFruit}}</td>
        <td>{{detail.color}}</td>
    </tr>
    {{/each}}
</table>
<br/><br/>
<div>
    <input type="button"
        id="addFruit"
        value="Find All the Colors of Fruit"
        {{action "print_Color"}}>
</div>
<br/>
<div>
    <input type="button"
        id="removeFruit"
        value="Clear"
        {{action "remove" }}>
</div>
{{outlet}}

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',
        },
        {
            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;
    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);
    }
}

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

export default Ember.Controller.extend({
    actions: {
        show_Name() {
            let temp = '';
            this.details.forEach((person)=> 
            temp += person.name + '\n');
            alert(temp);
        },
        print_Female() {
            let temp = '';
            this.details.forEach((person)=> person.gender == 
            'F' ? temp += person.name + '\n' : temp);
            alert(temp);
        },
        hide_Number() {
            this.details.forEach((person)=> Ember.set
            (person, 'mobile', "**********"));
            
        },
    },
});

{{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>
    <input type="button" id="print-city" 
        value="Print All Name" 
        {{action 'show_Name'}} />
</div>
<br />
<div>
    <input type="button" id="print-female" 
        value="Print All Females" 
        {{action 'print_Female'}} />
</div>
<br />
<div>
    <input type="button" id="hide-number" 
        value="Hide All Phone number" 
        {{action 'hide_Number'}} />
</div>
{{outlet}}