Ember.js Component setProperties() Method
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 setProperties() method is used to set the list of properties at once.
Syntax:
setProperties( hash );
Parameters:
- hash: It is the hash of the key and value to set.
Return Value: Object with the passed hash value.
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 setProperties1
app/components/arr.js
Javascript
import Component from '@glimmer/component' ; import Ember from 'ember' ; import EmberObject from '@ember/object' ; import { action, without, set, get } from '@ember/object' ; const Fruit = EmberObject.extend({ init() { alert(`${ this .get( 'name' )} is in list Now`); } }); export default Ember.Component.extend({ 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' }) ], @action insertItem(data, data1, data2) { let temp = Fruit.create({ name: data, isFruit: data1, color: data2 }); this .fruits.addObject(temp); }, @action flip() { let temp = this .fruits.reverseObjects(); this .fruits.setProperties(temp); }, }) |
app/components/arr.hbs
HTML
{{page-title "toggleProperty"}} < h3 >{{yield}}</ h3 > < table > < tr > < th >Name</ th > < th >Fruit</ 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 />< br /> < div > < label >Enter Fruit Name: </ label > {{input value=this.item1}} </ div >< br /> < div > < label >Item is Fruit: </ label > {{input value=this.item2}} </ div >< br /> < div > < label >Enter Fruit color: </ label > {{input value=this.item3}} </ div >< br /> < div > < input type = "button" id = "insert-item" value = "Insert Furit" {{action "insertItem" this.item1 this.item2 this.item3}} /> </ div > < br /> < div > < input type = "button" id = "flip-fruit" value = "Flip List" {{action "flip"}} /> </ div > {{outlet}} |
app/templates/setProperties1.hbs
HTML
{{page-title "setProperties"}} < Arr > < h3 >Fruit's List :</ h3 > </ Arr > {{outlet}} |
Output:
Example 2: Type the following code to generate the route for this example.
ember generate route setProperties2
app/components/arr2.js
Javascript
import Component from '@glimmer/component' ; import { tracked } from '@glimmer/tracking' ; import EmberObject from '@ember/object' ; import { action } from '@ember/object' ; import Ember from 'ember' ; let Student = Ember.Object.extend({ // these will be supplied by `create` Name: null , skill: null , id: null , init() { alert(`${ this .get( 'Name' )} is Listed`); }, fullName: Ember.computed( 'firstName' , 'lastName' , function () { return `${ this .firstName} ${ this .lastName}`; }), Changed: Ember.observer( 'fullName' , function () { console.log(`fullName changed to: ${ this .fullName}`); }), }); export default Ember.Component.extend({ 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 })], @tracked item3: 'Gulshan' , @tracked item2: 'Angular' , @tracked item1: 'stu6' , @tracked item4: true , @action print(data1, data2, data3, data4) { let temp = Student.create({ Name: data1, skill: data2, Id: data3, gender: data4 }); this .students.addObject(temp); }, @action flip() { this .students.setProperties( this .students.reverseObjects()) } }) |
app/components/arr2.hbs
HTML
{{page-title "toggleProperty"}} < h3 >{{yield}}</ 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 /> < div > < label >Enter Student FirstName: </ label > {{input value=this.item3}} </ div > < br /> < div > < label >Enter Student LastName: </ label > {{input value=this.item2}} </ div > < br /> < div > < label >Enter Student Id: </ label > {{input value=this.item1}} </ div > < br /> < div > < label >Enter Student Gender: </ label > {{input value=this.item4}} </ div > < br /> < input type = "button" id = "set-code" value = "Update Student details" {{action "print" this.item3 this.item2 this.item1 this.item4}} /> < br /> < br /> < br /> < input type = "button" id = "flip-student" value = "Flip List" {{action "flip"}} /> |
app/templates/setProperties2.hbs
HTML
{{page-title "setProperties"}} < Arr2 > List of Students: </ Arr2 > |
Output:
Reference: https://api.emberjs.com/ember/4.6/classes/HashLocation/methods/setProperties?anchor=setProperties
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