Use in directives and components to emit custom events synchronously or asynchronously, and register handlers for those events by subscribing to an instance.
Questions tagged [angular-event-emitter]
171 questions
-1
votes
1 answer
Event is fired without any call to .next()
the problem i have is, every time the component VisOpComponent is initialized, the subscribed eventemitter gets fired without any call to .next(). i also added some console.log as shown below to show you that, despite…

Amrmsmb
- 1
- 27
- 104
- 226
-1
votes
2 answers
How to trigger a function of child component from parent in angular?
I have a function component as follows:
export class ChildComp {
whoAmI() {
return 'I am a child!!';
}
}
My parent component:
import { ChildComp } form './child.component';
export class ParentComp {
constructor(private child:…

learner
- 357
- 1
- 6
- 16
-1
votes
2 answers
What is the difference between EventEmitter and EventEmitter()
What is the difference, if any, between:
@Output() exampleChange: EventEmitter = new EventEmitter();
and
@Output() exampleChange = new EventEmitter();

ebakunin
- 3,621
- 7
- 30
- 49
-1
votes
1 answer
How to Update a DOM without refreshing full page on Component property changes
My Page structure is:
// multiple address for loop
I have single JSON having personal information and multiple addresses with…

Raj N
- 249
- 1
- 18
-2
votes
1 answer
How to monitor in which dom user click in angular 7
I want to monitor the click of user in angular application, rather dont want to mannual configure for each click event, I want some thing at higher level that tells me each time where user clicked in application.

Tarun Mittal
- 25
- 5
-4
votes
1 answer
Ionic 3 event emitter performance
I'm working in a large Ionic app with about 25k lines and a lot of components, the app has performance issues and memory leaks.
I was thinking that the problem could be in the intensive use of event emitter class, but I need some data related to it…

ThonyFD
- 71
- 1
- 7