[英]Initialize BehaviourSubject with value from an Observable in an Angular template
[英]Get value of Observable or value of BehaviourSubject Angular2
Observable將返回訂閱時包含的所有值
// creating an Observable
source = Observable.of(1,2,3);
this.source.subscribe(item=>{
this.values.push(item)
console.log('observable',this.values)
})
每個訂閱BehaviourSubject將僅返回一個值
// creating an BehaviourSubject
subject = new BehaviorSubject(56,121);
this.subject.subscribe(item=>console.log(item))
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