Ember.js Route getProperties() Method
Last Updated :
15 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 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 Ember from 'ember' ;
import EmberObject from '@ember/object' ;
import EmberResolver from 'ember-resolver' ;
export default class PartyRoute extends Route {
students = [
EmberObject.create({
Name: 'Balit' ,
skill: 'Python' ,
Id: 'stu2' ,
gender: true ,
}),
EmberObject.create({
Name: 'Yashu' ,
skill: 'PHP' ,
Id: 'stu0' ,
gender: false ,
}),
EmberObject.create({
Name: 'Sam' ,
skill: 'R' ,
Id: 'stu1' ,
gender: true ,
}),
EmberObject.create({
Name: 'Pokhu' ,
skill: 'JavaScript' ,
Id: 'stu3' ,
gender: true ,
}),
EmberObject.create({
Name: 'Tanu' ,
skill: 'Java' ,
Id: 'stu4' ,
gender: false ,
}),
EmberObject.create({
Name: 'Arabh' ,
skill: 'c++' ,
Id: 'stu5' ,
gender: true ,
}),
];
model() {
return this .students;
}
setupController(controller, model) {
super .setupController(controller, model);
controller.set( 'students' , this .students);
controller.set( 'temp' , this .temp);
}
}
|
app/controllers/getProperties1.js
Javascript
import Controller from '@ember/controller' ;
import { action, find } from '@ember/object' ;
import Ember from 'ember' ;
export default class Array2Controller extends Controller {
@action
print() {
let temp2 = '' ;
this .students.forEach(
(item) => (temp2 +=
item.getProperties( 'Name' )[ 'Name' ] + '\n' )
);
alert(temp2);
}
@action
flip() {
let temp2 = this .students.reverseObjects();
this .students.forEach((item, idx) =>
item.setProperties(temp2.at(idx)));
}
}
|
app/templates/getProperties1.hbs
HTML
{{page-title "getProperties"}}
< h3 >
List of Students:
</ h3 >
< table >
< tr >
< th >Name</ th >
< th >skill</ th >
< th >Id</ th >
< th >Gender</ th >
</ tr >
{{#each this.students as |detail|}}
< tr >
< td >{{detail.Name}}</ td >
< td >{{detail.skill}}</ td >
< td >{{get detail "Id"}}</ td >
< td >{{if detail.gender "Male" "Female"}}</ td >
</ tr >
{{/each}}
</ table >
< br />
< input
type = "button"
id = "set-code"
value = "Print Student details"
{{action "print"}}
/>
< br />
< br />
< br />
< input type = "button" id = "flip-student"
value = "Flip List" {{action "flip"}} />
|
Output:
getProperties output1
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' ;
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' ,
}),
];
item2;
item3;
model() {
this .set( '[]' , this .fruits);
return this ;
}
setupController(controller, model) {
super .setupController(controller, model);
controller.set( 'fruits' , this .fruits);
}
}
|
app/controllers/getProperties2.js
Javascript
import Ember from 'ember' ;
import { addObject, isAny, isEvery } from '@ember/array' ;
import EmberObject from '@ember/object' ;
export default Ember.Controller.extend({
actions: {
insertItem(data) {
let temp2 = '' ;
this .fruits.forEach(
(item) => (temp2 +=
item.getProperties(data)[data] + '\n' )
);
alert(temp2);
},
flip() {
let data = this .fruits.reverseObjects();
this .fruits.forEach((item, idx) =>
item.setProperties(temp2.at(idx)));
},
},
});
|
app/templates/getProperties2.hbs
HTML
{{page-title "getProperties"}}
< h3 >Fruit's Lists :</ h3 >
< table >
< tr >
< th >name</ th >
< th >isFruit</ th >
< th >color</ th >
</ tr >
{{#each this.fruits as |detail|}}
< tr >
< td >{{detail.name}}</ td >
< td >{{detail.isFruit}}</ td >
< td >{{detail.color}}</ td >
</ tr >
{{/each}}
</ table >
< br />
< div >
< label >Enter Attribute: </ label >
{{input value=this.item3}}
</ div >< br />
< div >
< input
type = "button"
id = "print-item"
value = "Print Attribute's value"
{{action "insertItem" this.item3}}
/>
</ div >
< br />
< div >
< input
type = "button"
id = "flip-student"
value = "Flip List"
{{action "flip"}}
/>
</ div >
{{outlet}}
|
Output:
getProperties output2
Reference: https://api.emberjs.com/ember/4.6/classes/Route/methods/getProperties?anchor=getProperties
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