Ember.js Ember.Templates.helpers get() Method

Last Updated : 08 Dec, 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 get() method is used to Dynamically loop up a property on an object or an element in an array.

Syntax:

{{ get this.array propertyName }}

Parameters:

this.array: It is the array whose value we want to loop up.
propertyName: It is the name of the property that we want.

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 server

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

ember generate route get1

app/components/compact.js

Javascript

import Component from '@glimmer/component';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object';
 
export default class extends Component {
    student = [{
        "name": "Sam Snehil",
        "age": 21
    },
    {
        "name": "Satyam Sahu",
        "age": 23
    },
    {
        "name": "Sohan Argrwal",
        "age": 25
    },
    {
        "name": "Sreya Sarma",
        "age": 19
    }];
 
 
    print(item) {
 
        let ans = ''
        item.map((student) => ans += student.name + ` is ` + 
            student.age + ' year old ' + '\n')
        alert(ans);
    }
}

app/components/compact.hbs

HTML

{{yield}}
<table>
    <tr>
        <th>Name</th>
        <th>Class</th>
    </tr>
      {{#each this.student as |detail|}}
        <tr>
            <td>{{get detail 'name'}}</td>
            <td>{{get detail 'age'}}</td>
        </tr>
    {{/each}}
</table>
<br/>
<input type="button"
    id="set-code"
    value="Introduction of Each Student"
    {{on 'click' (fn this.print this.student)}}/>

app/templates/get1.hbs

HTML

<Compact>
    <h1>
    List of Student : 
    </h1>
</Compact>
{{outlet}}

Output:

Ember.js Ember.Templates.helpers get() Method

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

ember generate route get2

app/controllers/compact2.js

Javascript

import Component from '@glimmer/component';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object';
 
export default class extends Component {
    food = [{
        "food": "Banana",
        "Quant": 5
    },
    {
        "food": "Pine-apple",
        "Quant": 2
    },
    {
        "food": "Apple",
        "Quant": 7
    },
    {
        "food": "Mango",
        "Quant": 4
    }];
    @tracked Student1 = {
        name: 'Satyam',
        language: 'Python'
    };
    @tracked data = {
        name: "Aayush",
        language: 'JavaScript'
    }
    flip(temp) {
        let k = this.Student1;
        this.Student1 = temp;
        this.data = k;
    }
}

app/component/compact2.hbs

HTML

<h1>
    {{get this.Student1 'name'}} have skill 
  in {{get this.Student1 'language'}} 
</h1>
<input type="button"
    id="set-code"
    value="Change Student"
{{action 'flip' this.data}}/>
    