Ember.js Ember.NativeArray setEach() Method

Last Updated : 28 Sep, 2022

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 setEach() method, for each member, sets the value of the named property.

Syntax:

setEach(key,value)

Parameters:

key: The key to set.
value: The value to set.

Return Value: It returns the resultant array.

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 details

app/routes/details.js

import Route from '@ember/routing/route'; 
  
export default class DetailsRoute extends Route { 
    details = [ 
        { 
            'name': 'Anubhav', 
            'mobile': '1298119967', 
            'city': 'Patna', 
            'country': 'India', 
            'gender': 'M', 
            'zipCode': '800020'
        }, 
        { 
            'name': 'Sakshi', 
            'mobile': '1234567890', 
            'city': 'Mumbai', 
            'country': 'India', 
            'gender': 'F', 
            'zipCode': '400001'
        }, 
        { 
            'name': 'Satyam', 
            'mobile': '2222222222', 
            'city': 'Delhi', 
            'country': 'India', 
            'gender': 'M', 
            'zipCode': '110012'
        }, 
        { 
            'name': 'Shivam', 
            'mobile': '1122113322', 
            'city': 'Bangalore', 
            'country': 'India', 
            'gender': 'M', 
            'zipCode': '530068'
        }, 
        { 
            'name': 'Ayushi', 
            'mobile': '2244668800', 
            'city': 'Jaipur', 
            'country': 'India', 
            'gender': 'F', 
            'zipCode': '302001'
        } 
    ]; 
    someMoreDetails = [ 
        { 
            'name': 'Yeshwant', 
            'mobile': '1133557799', 
            'city': 'Chennai', 
            'country': 'India', 
            'gender': 'M', 
            'zipCode': '600001'
        }, 
        { 
            'name': 'Siddhant', 
            'mobile': '9911000000', 
            'city': 'Mangalore', 
            'country': 'India', 
            'gender': 'M', 
            'zipCode': '574142'
        }, 
        { 
            'name': 'Khushi', 
            'mobile': '8888888888', 
            'city': 'Pune', 
            'country': 'India', 
            'gender': 'F', 
            'zipCode': '111045'
        } 
    ]; 
    city; 
    code; 
    model() { 
        return this.details; 
    } 
    setupController(controller, model) { 
        this._super(controller, model); 
        controller.set('details', this.details); 
        controller.set('someMoreDetails', this.someMoreDetails); 
        controller.set('city', this.city); 
        controller.set('code', this.code); 
    } 
}

app/controllers/details.js

import Ember from 'ember'; 
import { 
    pushObjects, shiftObject, 
    setEach 
} from '@ember/array'; 
  
export default Ember.Controller.extend({ 
    actions: { 
        checkCity(city) { 
            alert(`Contains Person from ${city}: 
            ${this.details.isAny('city', city) ? 'Yes' : 'No'}`); 
        }, 
        checkCountry() { 
            alert(`All are  
            ${this.details.isEvery( 
                'country', 'India') ? '' : 'not'} Indian`); 
        }, 
        remove() { 
            this.details.shiftObject(); 
        }, 
        setZipCode(code) { 
            this.details.setEach('zipCode', code); 
        }, 
        pushMoreDetails() { 
            this.details.pushObjects(this.someMoreDetails); 
        } 
    }, 
});

app/template/details.hbs

{ { 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> 
    <label>Enter City: </label> 
    {{input value=this.city}} 
</div> 
<div> 
    <input type="button" id="check-city" value="Check City"
           {{action 'checkCity' this.city}} /> 
</div> 
<br /><br /> 
<div> 
    <label>Enter Code: </label> 
    {{input value=this.code}} 
</div> 
<div> 
    <input type="button" id="set-code" value="Set Zip Code" 
           {{action 'setZipCode' this.code}} /> 
</div> 
<br /><br /> 
<input type="button" id="remove-detail" value="Remove" 
       {{action 'remove' }} /> 
<br /><br /> 
<input type="button" id="push-details" value="Add More Details"
       {{action 'pushMoreDetails' }} /> 
<br /><br /> 
<input type="button" id="check-country" value="All Indian?"
       {{action 'checkCountry' }} /> 
{ { outlet } }

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

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

ember generate route websites

app/routes/websites.js

import Route from '@ember/routing/route'; 
  
export default class WebsitesRoute extends Route { 
    websites = [ 
        { 
            'name': 'Wikipedia', 
            'link': 'www.wikipedia.com'
        }, 
        { 
            'name': 'Facebook', 
            'link': 'www.facebook.com'
        }, 
        { 
            'name': 'Google', 
            'link': 'www.google.com'
        }, 
        { 
            'name': 'Twitter', 
            'link': 'www.twitter.com'
        } 
    ]; 
    moreWebsites = [ 
        { 
            'name': 'Instagram', 
            'link': 'www.instagram.com'
        }, 
        { 
            'name': 'Amazon', 
            'link': 'www.amazon.com'
        } 
    ] 
    model() { 
        return this.websites; 
    } 
    setupController(controller, model) { 
        this._super(controller, model); 
        controller.set('websites', this.websites); 
        controller.set('moreWebsites', this.moreWebsites); 
    } 
}

app/controllers/websites.js

import Ember from 'ember'; 
import { pushObjects, setEach } from '@ember/array'; 
  
export default Ember.Controller.extend({ 
    actions: { 
        set() { 
            this.websites.setEach('name', 'GeeksforGeeks'); 
            this.websites.setEach('link', 'www.geeksforgeeks.org'); 
        }, 
        add() { 
            this.websites.pushObjects(this.moreWebsites); 
        } 
    }, 
});

app/template/websites.js

{{page-title "Websites"}} 
<h3>Websites</h3> 
<br /><br /> 
<table> 
    <tr> 
        <th>Name</th> 
        <th>Website Link</th> 
    </tr> 
    {{#each @model as |website|}} 
    <tr> 
        <td>{{website.name}}</td> 
        <td>{{website.link}}</td> 
    </tr> 
    {{/each}} 
</table> 
<br /><br /> 
<input type="button" id="add-website" 
        value="More Websites" {{action 'add' }} /> 
<br /><br /> 
<input type="button" id="set-website" 
        value="Click Here" {{action 'set' }} /> 
{{outlet}}