Ember.js ArrayProxy setObjects() Method
Last Updated :
26 Apr, 2025
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 setObjects() method is used replace all the content of array with new content.
Syntax:
setObjects( objects );
Parameters:
- objects: It is the array of object which will be replace in place of old objects.
Return Value: EmberArray receiver with new content.
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 setObject1
JavaScript
import Route from '@ember/routing/route';
export default class PartyRoute extends Route {
partyItems = [
'Oxygen',
'Tenet',
'Source Code',
'Infine',
'Loopert',
'Tenet',
'SpiderHead',
'The Thing',
'A Quiet Place',
'The Invisible Man',
'Looper',
'The Thing',
'Ad Astra'
];
temp = [
'Shutter Island',
'Matrix',
'Avatar',
'Fantastic Beast',
'Avengers',
'Fantastic four',
'HulK',
'Superman',
'Spiderman',
'The Batman'
];
item;
idx;
model() {
return this.partyItems;
}
setupController(controller, model) {
super.setupController(controller, model);
controller.set('partyItems', this.partyItems);
controller.set('item', this.item);
controller.set('idx', this.idx);
controller.set('temp', this.temp);
}
}
- app/controllers/setObject1.js
JavaScript
import Ember from 'ember';
import { reverseObjects, unshiftObject, uniq, }
from '@ember/array';
export default Ember.Controller.extend({
actions: {
invert() {
this.partyItems.reverseObjects();
},
insert_first(data) {
this.partyItems.unshiftObject(data);
},
remove_d() {
let res = this.partyItems.uniq();
this.partyItems.setObjects(res)
},
},
});
- app/templates/setObject1.hbs
JavaScript
{{page-title "setObjects"}}
<h3>Here is a list of items: </h3>
<ul>
{{#each @model as |party|}}
<li>{{party}}</li>
{{/each}}
</ul>
<br /><br />
<div>
<label>Enter Item: </label>
{{input value=this.item}}
</div>
<div>
<input
type="button"
id="insert-beginning"
value="Insert at Beginning"
{{action "insert_first" this.item}}
/>
</div>
<br />
<input
type="button"
id="reverse_list"
value="Reverse List"
{{action "invert"}}
/>
<br /><br />
<input
type="button"
id="remove-duplicates"
value="Remove duplicates"
{{action "remove_d"}}
/>
{{outlet}}
Output: Visit localhost:4200/setObject1 to view the output
Ember.js ArrayProxy setObjects method
Example 2: Type the following code to generate the route for this example:
ember generate route setObject2
JavaScript
import Route from '@ember/routing/route';
export default class ListRoute extends Route {
list = [
"Digital Camera",
"Speakers",
"Balloons",
"Scissors",
"Cups",
"Table Confetti",
"Scissors",
"Wine",
"Napkins",
"Party Plates",
"Speakers",
"Music System",
"Cups",];
item;
idx;
model() {
return this.list;
}
setupController(controller, model) {
super.setupController(controller, model);
controller.set('list', this.list);
controller.set('item', this.item);
controller.set('idx', this.idx);
}
}
- app/controllers/setObject2.js
JavaScript
import Ember from 'ember';
import { reverseObjects, uniq, setObjects, unshiftObject }
from '@ember/array';
export default Ember.Controller.extend({
actions: {
reverse() {
this.list.setObjects(this.list.reverseObjects());
},
remove_d() {
let k = this.list.uniq();
this.list.setObjects(k);
},
add_first(item) {
this.list.unshiftObject(item);
},
},
});
- app/templates/setObject2.hbs
JavaScript
{{page-title "setObjects"}}
<h3>Here is a list of Items: </h3>
<ul>
{{#each @model as |i|}}
<li>{{i}}</li>
{{/each}}
</ul>
<br />
<div>
<label>Enter Item: </label>
{{input value=this.item}}
</div>
<div>
<input
type="button"
id="insert-item"
value="Insert at Begining"
{{action "add_first" this.item }}
/>
</div>
<br />
<input type="button"
id="remove-duplicates"
value="Remove duplicates"
{{action "remove_d"}} />
<br /><br/>
<input type="button"
id="reverse_list"
value="Reverse List"
{{action "reverse"}} />
{{outlet}}
Output: Visit localhost:4200/setObject2 to view the output
Ember.js ArrayProxy setObjects method
Reference: https://api.emberjs.com/ember/4.4/classes/ArrayProxy/methods/setObjects?anchor=setObjects