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 getEach() method is used to get the value of named attribute of all item in the enumeration.
Syntax:
getEach( key )
Parameters:
- key: It is the name of the property whose value we want.
Return Value: mapped array.
Installation Steps:
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 getEach1
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',
},
];
city;
code;
model() {
return this.details;
}
setupController(controller, model) {
super.setupController(controller, model);
controller.set('details', this.details);
controller.set('city', this.city);
controller.set('code', this.code);
}
} |
import Ember from 'ember';
import { every } from '@ember/array';
export default Ember.Controller.extend({
actions: {
allCity() {
let ans = this.details.getEach('city');
alert(ans.join('\n'));
},
allNames() {
let ans = this.details.getEach('name');
alert(ans.join('\n'));
},
allMobile() {
let ans = this.details.getEach('mobile');
alert(ans.join('\n'));
},
allZip() {
let ans = this.details.getEach('zipCode');
alert(ans.join('\n'));
},
},
}); |
{{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="get-name" value="All Names" {{action "allNames"}} />
</div> <br /> <input type="button"
id="get-Mobile"
value="All Mobile Number"
{{action "allMobile"}}
/> <br /><br /> <input type="button" id="get-city" value="All City" {{action "allCity"}} />
<br /><br /> <input type="button" id="get-zip" value="All Zip code" {{action "allZip"}} />
{{outlet}} |
Output: Visit localhost:4200/getEach1 to view the output
Ember.js EmberArray getEach method
Example 2: Type the following code to generate the route for this example:
ember generate route getEach2
import Route from '@ember/routing/route';
export default class StudentsRoute extends Route {
students = [
{
name: 'Aakash',
gender: 'M',
subject: 'Math',
grade: 'A',
},
{
name: 'Sita',
gender: 'F',
subject: 'Arts',
grade: 'A',
},
{
name: 'Ram',
gender: 'M',
subject: 'Commerce',
grade: 'A',
},
{
name: 'Esnoor',
gender: 'M',
subject: 'Math',
grade: 'C',
},
{
name: 'Isha',
gender: 'F',
subject: 'Biology',
grade: 'B',
},
{
name: 'Lolu',
gender: 'M',
subject: 'Commerce',
grade: 'A',
},
{
name: 'Lucky',
gender: 'M',
subject: 'Biology',
grade: 'F',
},
{
name: 'Balit',
gender: 'M',
subject: 'Math',
grade: 'F',
},
{
name: 'Hillier Buchanan',
gender: 'M',
subject: 'Arts',
grade: 'A',
},
{
name: 'Aman',
gender: 'M',
subject: 'Arts',
grade: 'B',
},
{
name: 'Anuj',
gender: 'M',
subject: 'Math',
grade: 'F',
},
{
name: 'Satyam',
gender: 'M',
subject: 'Math',
grade: 'F',
},
{
name: 'Aayush',
gender: 'M',
subject: 'Math',
grade: 'C',
},
];
temp2;
model() {
return this.students;
}
setupController(controller, model) {
super.setupController(controller, model);
controller.set('students', this.students);
controller.set('temp2', this.temp2);
}
} |
import Ember from 'ember';
export default Ember.Controller.extend({
actions: {
allSubject() {
let temp = new Set(this.students.getEach
('subject'));
alert([...temp].join('\n'));
},
allName() {
let temp = this.students.getEach
('name').join('\n');
alert(temp);
},
allClass() {
let temp = this.students.filterBy('class',
JSON.parse(this.temp2));
let ans = '';
for (let i = 0; i < temp.length; i++)
ans += temp[i].name + '\n';
if (temp.length) {
alert(`Students from class ${this.temp2}
are : \n${ans}`);
} else {
alert(`No student are from
class ${this.temp2}`);
}
},
},
}); |
{{page-title "Students"}}
<h3>Students of Class 12: </h3> <br /><br /> <table> <tr>
<th>Name</th>
<th>Subject</th>
<th>Gender</th>
<th>Grade</th>
</tr>
{{#each @model as |student|}}
<tr>
<td>{{student.name}}</td>
<td>{{student.subject}}</td>
<td>{{student.gender}}</td>
<td>{{student.grade}}</td>
</tr>
{{/each}}
</table> <br /> <input type="button"
id="all-pass"
value="Student's Name"
{{action "allName"}}
/> <br /><br /> <input type="button"
id="all-Subject"
value="All Subject"
{{action "allSubject"}}
/> {{outlet}} |
Output: Visit localhost:4200/getEach2 to view the output
Ember.js EmberArray getEach method
Reference: https://api.emberjs.com/ember/4.6/classes/EmberArray/methods/includes?anchor=includes