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Ember.js EmberRouter toString() Method

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  • Last Updated : 10 Jan, 2023
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Ember.js is an open-source JavaScript framework used for developing large client-side web applications 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 toString() method is used to get the object’s string representation.

Syntax:

toString()

Parameters: It doesn’t take any parameters.

Returns: The string representation of the Object

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 test1

app/routes/test1.js

Javascript




import Route from '@ember/routing/route';
import EmberObject from '@ember/object';
 
 
export default class WebsitesRoute extends Route {
 
    temp;
    temp2;
    model() {
        return 'toString';
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('temp', this.temp);
        controller.set('temp2', this.temp2);
    }
}


app/controllers/test1.js

Javascript




import Ember from 'ember';
import EmberObject from '@ember/object';
 
const Food = EmberObject.extend({
    toStringExtension() {
        return this.get('food');
    }
});
export default Ember.Controller.extend({
    value: 0,
    food: [
        Food.create({
            food: 'apple',
            isFruit: true,
            quant: '1',
        }),
        Food.create({
            food: 'Potato',
            isFruit: false,
            quant: '2',
        }),
        Food.create({
            food: 'Banana',
            isFruit: true,
            quant: '1',
        }),
        Food.create({
            food: 'Burgur',
            isFruit: false,
            quant: '2',
        }),
        Food.create({
            food: 'Orange',
            isFruit: true,
            quant: '1',
        }),
        Food.create({
            food: 'sandwitch',
            isFruit: false,
            quant: '2',
        }),
        Food.create({
            food: 'bean',
            isFruit: false,
            quant: '2',
        }),
    ],
    actions: {
        older() {
            this.incrementProperty('value');
        },
        younger() {
            this.decrementProperty('value');
        },
 
        addItem(data, data1, data2) {
 
            let temp = Food.create({
                food: data,
                isFruit: data1,
                quant: data2
            });
            alert(temp.toString() + ' Created');
            this.food.addObject(temp);
        }
    }
});


app/templates/test1.hbs

HTML




{{page-title "toString"}}
<h3>List of Item in Buckets</h3>
 
<table>
    <tr>
        <th> Food Name </th>
        <th>Bucket </th>
        <th>Fruit </th>
    </tr>
    {{#each this.food as |website|}}
        <tr>
            <td>{{website.food}}</td>
            <td>{{website.quant}}</td>
            <td>{{website.isFruit}}</td>
        </tr>
    {{/each}}
</table>
<br /><br />
 
<div>
    <label>Enter Item Name: </label>
    {{input value=this.temp2}}
</div>
<br />
 
<div>
    <label>Enter Quantity in Kg: </label>
    {{input value=this.value}}
</div>
<input type="button" id="increase"
       value="+" {{action "older"}} />
<input type="button" id="decrease"
       value="-" {{action "younger"}} />
<br />
<br />
 
<div>
    <label>Item is fruit or not : </label>
    {{input value=this.temp}}
</div>
<br /><br />
<input
    type="button"
    id="all-Fruits"
    value="Add item"
    {{action "addItem" this.temp2 this.value this.temp}}
/>
 
{{outlet}}


Output:

toString output1

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

ember generate route test2

app/routes/test2.js

Javascript




import Route from '@ember/routing/route';
import EmberObject from '@ember/object';
 
 
export default class WebsitesRoute extends Route {
 
    temp;
    temp2;
    model() {
        return "toString";
    }
    setupController(controller, model) {
        super.setupController(controller, model);
        controller.set('temp', this.temp);
        controller.set('temp2', this.temp2);
    }
}


app/controllers/test2.js

Javascript




import Ember from 'ember';
import EmberObject from '@ember/object';
 
const Student = EmberObject.extend({
    toStringExtension() {
        return this.get('Name');
    }
});
export default Ember.Controller.extend({
    class: 10,
    age: 15,
    student: [
        Student.create({
            Name: 'Aarbh',
            class: 12,
            age: 18,
        }),
        Student.create({
            Name: 'viky',
            class: 9,
            age: 15,
        }),
        Student.create({
            Name: 'Chiku',
            class: 8,
            age: 11,
        }),
        Student.create({
            Name: 'Nikki',
            class: 11,
            age: 17,
        }),
        Student.create({
            Name: 'Ankit',
            class: 8,
            age: 14,
        }),
        Student.create({
            Name: 'Sonam',
            class: 11,
            age: 17,
        }),
        Student.create({
            Name: 'Ravi',
            class: 10,
            age: 16,
        }),
    ],
    actions: {
        older(data) {
            this.incrementProperty(data);
        },
        younger(data) {
            this.decrementProperty(data);
        },
 
        addItem(data, data1, data2) {
 
            let temp = Student.create({
                Name: data,
                class: data1,
                age: data2
            });
            alert(temp.toString() + ' Student Added in list');
            this.student.addObject(temp);
        }
    }
});


app/templates/test2.hbs

HTML




{{page-title "toString"}}
<h3>List of Students:</h3>
 
<table>
    <tr>
        <th> Name </th>
        <th>Class </th>
        <th>Age </th>
    </tr>
    {{#each this.student as |website|}}
        <tr>
            <td>{{website.Name}}</td>
            <td>{{website.class}}</td>
            <td>{{website.age}}</td>
        </tr>
    {{/each}}
</table>
<br /><br />
 
<div>
    <label>Enter Student Name: </label>
    {{input value=this.temp2}}
</div>
<br />
 
<div>
    <label>Enter Age: </label>
    {{input value=this.age}}
</div>
<input type="button" id="increase"
    value="+" {{action "older" "age"}} />
<input type="button" id="decrease"
    value="-" {{action "younger" "age"}} />
<br />
<br />
 
<div>
    <label>Enter Class: </label>
    {{input value=this.class}}
</div>
<input type="button" id="increase"
       value="+" {{action "older" "class"}} />
<input type="button" id="decrease"
       value="-" {{action "younger" "class"}} />
<br />
<br />
 
<br /><br />
<input
    type="button"
    id="all-Fruits"
    value="Add item"
    {{action "addItem" this.temp2 this.class this.age}}
/>
 
{{outlet}}


Output:

toString output2

Reference: https://api.emberjs.com/ember/4.6/classes/EmberRouter/methods/toString?anchor=toString


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