How to find F5 pressed and page is reloaded in Angular 6

Question

I would like to find if the browser is refreshed in app.component with out using router navigation . How to achieve this functionality

Answer 1

You can use window.onbeforeunload.

window.onbeforeunload=()=>{
    this.myFunc();  // here you can do something like creating alert
}

Answer 2

Try this:

<div (window:beforeunload)="doSomething()"></div>

See this post: Is there any lifecycle hook like window.onbeforeunload in Angular2?