Ember.js MutableArray sortBy() Method
Last Updated :
28 Jul, 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 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.
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 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;
}
}
{{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
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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;
}
}
{{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
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Reference: https://api.emberjs.com/ember/4.4/classes/MutableArray/methods