Ember.js ArrayProxy getProperties() Method
Last Updated :
12 Jan, 2023
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 getProperties() method is used to get the value of multiple properties at once.
Syntax:
getProperties(list);
Parameters:
- list: It is an array of keys to get.
Return Value: This method returns an Object.
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 getProperties1
app/routes/getProperties1.js
Javascript
import Route from '@ember/routing/route' ;
import EmberObject from '@ember/object' ;
export default class WebsitesRoute extends Route {
food = [
EmberObject.create({
food: 'apple' ,
isFruit: true ,
buck: '1' ,
}),
EmberObject.create({
food: 'Potato' ,
isFruit: false ,
buck: '2' ,
}),
EmberObject.create({
food: 'Banana' ,
isFruit: true ,
buck: '1' ,
}),
EmberObject.create({
food: 'Burgur' ,
isFruit: false ,
buck: '2' ,
}),
EmberObject.create({
food: 'Orange' ,
isFruit: true ,
buck: '1' ,
}),
];
food2 = [
EmberObject.create({
food: 'sandwitch' ,
isFruit: false , buck: '2' ,
}),
EmberObject.create({
food: 'bean' ,
isFruit: false , buck: '2' ,
}),
EmberObject.create({
name: 'Banana' ,
isFruit: true , buck: 1
}),
EmberObject.create({
name: 'Water-melon' ,
isFruit: true , buck: 2
}),
EmberObject.create({
name: 'Papaya' ,
isFruit: true , buck: 1
}),
];
temp;
model() {
return this .food;
}
setupController(controller, model) {
super .setupController(controller, model);
controller.set( 'food' , this .food);
controller.set( 'temp' , this .temp);
controller.set( 'food2' , this .food2);
}
}
|
app/controllers/getProperties1.js
Javascript
import Ember from 'ember' ;
export default Ember.Controller.extend({
value: 0,
actions: {
List() {
let ans = '' ;
this .food.forEach((item) =>
ans += item.getProperties( 'food' ).food +
' is in Bucket ' + item.getProperties( 'buck' )
.buck + '\n' );
alert(ans);
},
Bucket2() {
this .food.forEach((item, i) =>
item.getProperties( this .food2.at(i)));
},
toggle2() {
this .food.forEach((item, i) =>
item.toggleProperty( 'isFruit' ));
},
},
});
|
app/templates/getProperties1.hbs
Javascript
{{page-title "getProperties" }}
<h3>List of Item in Buckets</h3>
<table>
<tr>
<th> Food Name </th>
<th>Bucket </th>
<th>Fruit </th>
</tr>
{{ #each @model as |website|}}
<tr>
<td>{{website.food}}</td>
<td>{{website.buck}}</td>
<td>{{website.isFruit}}</td>
</tr>
{{/each}}
</table>
<br /><br />
<input
type= "button"
id= "increase"
value= "List All items with Bucket number"
{{action "List" }}
/>
<br /><br />
<input
type= "button"
id= "update-list"
value= "List another Bucket item"
{{action "Bucket2" }}
/>
<br /><br />
<input
type= "button"
id= "toggle-property"
value= "Toggle Fruit Property"
{{action "toggle2" }}
/>
{{outlet}}
|
Output: Visit localhost:4200/getProperties1 to view the output
Ember.js ArrayProxy getProperties() Method
Example 2: Type the following code to generate the route for this example:
ember generate route getProperties2
app/routes/getProperties2.js
Javascript
import Route from '@ember/routing/route' ;
import EmberObject from '@ember/object' ;
import { } from '@ember/array' ;
export default class FruitsRoute extends Route {
fruits = [
EmberObject.create(
{
name: 'Lady Finger' ,
isFruit: false , color: 'green'
}),
EmberObject.create(
{
name: 'Brinjal' ,
isFruit: false , color: 'purple'
}),
EmberObject.create(
{
name: 'Apple' ,
isFruit: true , color: 'red'
}),
EmberObject.create(
{
name: 'Grapes' ,
isFruit: true , color: 'green'
}),
EmberObject.create(
{
name: 'Mango' ,
isFruit: true , color: 'yellow'
}),
EmberObject.create(
{
name: 'Watermelon' ,
isFruit: true , color: 'red'
}),
EmberObject.create(
{
name: 'Orange' ,
isFruit: true , color: 'orange'
})
];
fruits2 = [
EmberObject.create(
{
name: 'Potato' ,
isFruit: false , color: 'brown'
}),
EmberObject.create(
{
name: 'Tomato' ,
isFruit: false , color: 'red'
}),
EmberObject.create(
{
name: 'Banana' ,
isFruit: true , color: 'Yellow'
}),
EmberObject.create(
{
name: 'Water-melon' ,
isFruit: true , color: 'green'
}),
EmberObject.create(
{
name: 'Papaya' ,
isFruit: true , color: 'yellow'
}),
];
model() {
return this .fruits;
}
setupController(controller, model) {
super .setupController(controller, model);
controller.set( 'fruits' , this .fruits);
controller.set( 'fruits2' , this .fruits2);
}
}
|
app/controllers/getProperties2.js
Javascript
import Ember from "ember" ;
import { isAny, isEvery } from "@ember/array" ;
export default Ember.Controller.extend({
actions: {
print() {
let ans = '' ;
this .fruits.forEach((item) =>
ans += item.getProperties( 'name' ).name
+ '\n' );
alert(ans);
},
Change() {
let ans = this .fruits.forEach((item, i) =>
item.getProperties( this .fruits2.at(i)));
},
toggle() {
this .fruits.forEach((item) =>
item.toggleProperty( 'isFruit' ));
},
},
});
|
app/templates/getProperties2.hbs
Javascript
{{page-title "getProperties" }}
<h3>Here is a list of eatables: </h3>
<br /><table>
<tr>
<th>Name</th>
<th>isFruit</th>
<th>color</th>
</tr>
{{ #each @model as |detail|}}
<tr>
<td>{{detail.name}}</td>
<td>{{detail.isFruit}}</td>
<td>{{detail.color}}</td>
</tr>
{{/each}}
</table>
<br />
<input type= "button" id= "list-item"
value= "List all Items"
{{action "print" }} />
<br /><br />
<input
type= "button"
id= "change-item"
value= "Change all Item in Bucket"
{{action "Change" }}
/>
<br /><br />
<input
type= "button"
id= "toggle-isFruits"
value= "Toggle isFruit Properties"
{{action "toggle" }}
/>
{{outlet}}
|
Output: Visit localhost:4200/getProperties2 to view the output
Ember.js ArrayProxy getProperties() Method
Reference: https://api.emberjs.com/ember/4.4/classes/ArrayProxy/methods/getProperties?anchor=getProperties
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