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EmberJS Computed Properties


A processed property proclaims works as properties and Ember.js naturally calls the registered properties when required and joins at least one properties in a single variable.
S.No. Properties & Description
1 Chaining Computed Properties

The anchoring figured propertiy is utilized to total with at least one predefined processed properties.

2 Dynamic Updating

Dynamically refreshes the figured property when they are called.

3 Setting Computed Properties

Helps set up the figured properties by utilizing the setter and getter methods.

Example

The following model adds the registered property to Ember.object and tells the best way to show the information −

import Ember from 'ember'; 

export default function() { 

var Car = Ember.Object.extend ({ 

//The qualities for beneath factors will be provided by 'make' method 

CarName: null, 

CarModel: null, 

carDetails: Ember.computed('CarName', 'CarModel', function() { 

//returns esteems to the registered property work 'carDetails' 

return ' Car Name: ' + this.get('CarName') + '<br>' + 

' Car Model: ' + this.get('CarModel'); 

}) 

}); 

var mycar = Car.create ({ 

//instating the estimations of Car variables 

CarName: "Alto", 

CarModel: "800", 

}); 

//Displaying the data of the car 

document.write("<h2>Details of the vehicle: <br></h2>"); 

document.write(mycar.get('carDetails')); 

}

Now open the app.js record and include the accompanying line at the highest point of the document −

import computedproperties from './computedproperties'; 

Where, computedproperties is a name of the record indicated as "computedproperties.js" and made under the "application" envelope. Presently, call the acquired "computedproperties" at the base, before the fare. It executes the computedproperties work which is made in the computedproperties.js document −

computedproperties();