Ember.js Component attributeBindings Property

Ember.js is an open-source JavaScript framework used for developing large client-side web applications which are 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 attributeBindings of the component class is a property that is used to set the list of properties as attributes to the component templates in DOM. 

Syntax: 

attributeBindings: [ attribute1, attribute2.... ];
attribute1 : 'value'; 
attribute2 : 'value2';

Parameters: 

• attributeNames: It is a list of attributes that we want to set. 

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 file1

app/components/second.js

Javascript

import Component from '@glimmer/component';
import Ember from 'ember';

export default Ember.Component.extend({
    tagName: 'div',
    attributeBindings: ['id'],
    id: 'component',
})

app/components/second.hbs

HTML

{{page-title "Component attributeBindings"}}
<h3>{{yield}}</h3>

app.css

CSS

h1{
    font-family:  Tahoma, Geneva, Verdana, sans-serif;
    font-size: 25pt;
    color:#2fd778
}

#component{
    font-family: -apple-system;
    font-size: 22pt;
    background-color:#ae2549;
}

app/templates/file1.hbs

HTML

<h1>GeeksForGeeks</h1>
<h2>Hello Geeks keep reading and Grow up</h2>
<Second >
    This is Component templates tag.
</Second>

Output:

Output1

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

ember generate route file2

app/components/first.js

Javascript

import Component from '@glimmer/component';
import Ember from 'ember';
import { tracked } from '@glimmer/tracking';

export default Ember.Component.extend({
     tagName : 'form',
    attributeBindings: ['action'],
    action: 'https://www.geeksforgeeks.org/',
    @tracked
    name: 'Pokhraj Sahu',
    @tracked
    gender: 'M',
    @tracked
    grade: 'A',
    @tracked
    salary: 78000,
    @tracked
    mobile: 983938494,
})

app/components/first.hbs

HTML

{{page-title "Component attributeBindings"}}
{{yield}}
<div>
    <label>Name:</label>
    {{input value=this.name}}
</div>
<div>
    <label>Gender:</label>
    {{input value=this.gender}}
</div>
<div>
    <label>Grade:</label>
    {{input value=this.grade}}
</div>
<div>
    <label>Salary:</label>
    {{input value=this.salary}}
</div>
<div>
    <label>Mobile:</label>
    {{input value=this.mobile}}
</div>
<br />
<br /><br />
<button type="submit">Submit</button>
{{outlet}}

app/templates/file2.hbs

HTML

<First>
    <h1>GEEK's Details: </h1>
</First>

Output:

Output2

Reference: https://api.emberjs.com/ember/4.9/classes/Component/properties/attributeBindings?anchor=attributeBindings