Re: Passing method references to HTMLElement.removeEventHandler

It makes sense somehow, but it took me by surprise. Thanks for the explanation.

Is it still good practice to remove listeners when you don't need the html element anymore ? or do modern browser garbage collectors cope with circular references between DOM and JS objects ? It was one of the features of Widgets that they avoided the leaks automatically.

On 12 Oct 2018, 15:40 +0200, Jens <jens.nehlmeier@gmail.com>, wrote:

Method references and lambdas are anonymous implementations. Each usage will create a new instance.

Even in pure Java you have

Runnable r = this::onClick;
Runnable r2 = this::onClick;
System.out.println(Objects.equals(r, r2)); // false

So you should keep track of your click handler if you want to remove it later.

-- J.

--
You received this message because you are subscribed to the Google Groups "GWT Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscribe@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at https://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.