computed TWO WAY Binding
{
"version": "0.7.2",
"EmberENV": {
"FEATURES": {}
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
"ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember.debug.js",
"ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.3/ember-data.js",
"ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember-template-compiler.js"
}
}
<h1>Welcome to {{appName}}</h1>
<br>
<button {{action 'testFunc'}}> Test </button>
<br>
{{outlet}}
<br>
<br>
import Ember from 'ember';
export default Ember.Controller.extend({
appName: 'Ember Twiddle',
test: function() {
var wife = Ember.Object.create({
householdIncome: 80000
});
var Husband = Ember.Object.extend({
householdIncome: Ember.computed.alias('wife.householdIncome')
});
//here computed.alias is used for two-way and readOnly can be used for one-way binding.
var husband = Husband.create({
wife: wife
});
console.log(husband);
alert(husband.get('householdIncome')); // 80000
// Someone gets raise.
wife.set('householdIncome', 90000);
alert(husband.get('householdIncome')); // 90000
husband.set('householdIncome', 10000);
alert(wife.get('householdIncome')); // 10000
},
actions: {
testFunc() {
this.test();
}
}
});