Re: [csswg-drafts] [css-pseudo-4] Identity of Element.pseudo() return value (#3607)

• From: Oriol Brufau via GitHub <sysbot+gh@w3.org>
• Date: Tue, 26 Feb 2019 15:53:46 +0000
• To: public-css-archive@w3.org
• Message-ID: <issue_comment.created-467493996-1551196424-sysbot+gh@w3.org>

> if you don't hold a reference and don't set any expandos, the object can be freed

This includes weak references, right?

```js
var s = new WeakSet();
s.add(element.pseudo(type)); // Store weak reference
// later
s.has(element.pseudo(type)); // Should be true because GC shouldn't be observable
```

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Received on Tuesday, 26 February 2019 15:53:47 UTC