Re: [whatwg/fetch] Deferred fetching (PR #1647)

@mingyc commented on this pull request.



> +</div>
+
+<div algorithm>
+<p>To <dfn export>determine subframe deferred fetch policy</dfn> for a <a>navigable container</a>
+<var>container</var> and an <a for=/>origin</a> <var>originToNavigateTo</var>:
+
+<p class=note>This is called whenever a <a>navigable container</a> is being navigated, e.g. by
+setting an iframe's <a attribute for=HTMLIFrameElement>src</a>.
+
+<ol>
+ <li><p>Set <var>container</var>'s <a>deferred fetch policy</a> to <code>disabled</code>.
+
+ <li><p>If the <a data-lt="define an inherited policy for feature in container">inherited policy</a>
+ for {{PermissionPolicy/"deferred-fetch"}}, <var>navigable</var>'s <a>navigable container</a> and
+ <var>originToNavigateTo</var> is <code>Enabled</code>, and the
+ <a>available deferred fetching quota</a> for <var>container</var>'s <a>container document</a> is

```
and the available deferred fetching quota for container’s container document is equal or greater than 64 kibibytes
```

`quota for container’s container document` Could you help clarify with the following example?

```
<html>
 <iframe src="frame-1.html"></iframe>
 <iframe src="https://cross-domain.com/iframe-2.html"></iframe>
</html>
```

- Assume `container` is `iframe-1`, as its parent (the `container's container document`) is the main document, its quota will be the same as the main document.
- Assume `container` is `iframe-2` which is a cross-origin iframe. However, its parent is also the same main document, which will give the same deferred fetching quota as `iframe-1`?


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Received on Friday, 29 November 2024 04:16:20 UTC