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Ember.js EmberArray sortBy() Method

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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 sortBy() method is used to sort an array by the specified key.

Syntax:

sortBy( key )

 

Parameters:

  • name(string): Name(s) to sort on.

Return Value: The sorted array.

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 serve

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

ember generate route languages

app/routes/languages.js




import Route from '@ember/routing/route';
import { classify, w } from '@ember/string';
import { pushObject, sortBy } from '@ember/array';
  
export default class LanguagesRoute extends Route {
    name =
        `mandarin_Chinese spanish english Hindi 
        bengali Portuguese russian japanese 
        western_punjabi yueChinese`;
    num = `929.0 474.7 372.9 343.9 233.7 
        232.4 154.0 125.3 92.7 85.2`;
  
    languages = [];
  
    initLanguages() {
        this.languages = [];
        this.name = w(this.name);
        this.num = w(this.num);
        for (let i = 0; i < this.name.length; i++) {
            let obj = new Object();
            obj['name'] = classify(this.name[i]);
            obj['num'] = this.num[i];
            this.languages.pushObject(obj);
        }
    }
  
    model() {
        this.initLanguages();
        this.languages = this.languages.sortBy('name');
        return this.languages;
    }
}


app/template/languages.hbs




{{page-title "Languages"}}
<h2>Most Spoken Languages in the World</h2>
<table style="border: 2px solid black;padding: 30px;">
    <tr>
        <th>Language</th>
        <th>Native Speakers (millions)</th>
    </tr>
    {{#each @model as |language|}}
    <tr>
        <td>{{language.name}}</td>
        <td>{{language.num}}</td>
    </tr>
    {{/each}}
</table>
{{outlet}}


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

 

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

ember generate route richest-people

app/routes/richest-people.js




import Route from '@ember/routing/route';
import { sortBy } from '@ember/array';
  
export default class RichestPeopleRoute extends Route {
    richestPeople = [
        { 'name': 'mukesh ambani', 'net-worth': 90.7 },
        { 'name': 'jeff Bezos', 'net-worth': 148.1 },
        { 'name': 'Warren Buffet', 'net-worth': 99.3 },
        { 'name': 'Bill gates', 'net-worth': 104.7 },
        { 'name': 'elon Musk', 'net-worth': 253.4 },
        { 'name': 'gautam adani and family'
            'net-worth': 115.8 },
        { 'name': 'Larry Page', 'net-worth': 93.4 },
        { 'name': 'larryEllison', 'net-worth': 103.3 },
        { 'name': 'sergeyBrin', 'net-worth': 89.9 },
        { 'name': 'bernard Arnault and family'
            'net-worth': 157.1 },
    ];
    model() {
        this.richestPeople = this.richestPeople.sortBy('net-worth');
        return this.richestPeople;
    }
}


app/template/richest-people.hbs




{{page-title "Richest People"}}
<h2>Top 10 Richest Person in the World</h2>
<table style="border: 2px solid black;padding: 30px;">
    <tr>
        <th>Name</th>
        <th>Net Worth (in Billion Dollars)</th>
      </tr>
      {{#each @model as |person|}}
    <tr>
       <td>{{person.name}}</td>
       <td>{{person.net-worth}}</td>
    </tr>
  {{/each}}
</table>
{{outlet}}


Output: Visit localhost:4200/richest-people to view the output

 

Reference: https://api.emberjs.com/ember/4.6/classes/EmberArray/methods/



Last Updated : 22 Sep, 2022
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