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fix: correct terms in onload-ondomcontentloaded article.md en by front42 · Pull Request #3955 · javascript-tutorial/en.javascript.info · GitHub

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fix: correct terms in onload-ondomcontentloaded article.md en #3955

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fix: correct terms in onload-ondomcontentloaded article.md en #3955

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8 changes: 4 additions & 4 deletions 2-ui/5-loading/01-onload-ondomcontentloaded/article.md
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Expand Up @@ -161,9 +161,9 @@ If we want to cancel the transition to another page, we can't do it here. But we

## window.onbeforeunload [#window.onbeforeunload]

If a visitor initiated navigation away from the page or tries to close the window, the `beforeunload` handler asks for additional confirmation.
If a visitor initiates navigation away from the page or tries to close the window, the `beforeunload` handler can ask for additional confirmation.

If we cancel the event, the browser may ask the visitor if they are sure.
If we prevent the default action, the browser will ask the visitor if they are sure.

You can try it by running this code and then reloading the page:

Expand All @@ -173,7 +173,7 @@ window.onbeforeunload = function() {
};
```

For historical reasons, returning a non-empty string also counts as canceling the event. Some time ago browsers used to show it as a message, but as the [modern specification](https://html.spec.whatwg.org/#unloading-documents) says, they shouldn't.
For historical reasons, returning a non-empty string also counts as preventing the default browser action. Some time ago browsers used to show it as a message, but as the [modern specification](https://html.spec.whatwg.org/#unloading-documents) says, they shouldn't.

Here's an example:

Expand Down Expand Up @@ -296,7 +296,7 @@ Page load events:
- Script such as `<script>...</script>` or `<script src="..."></script>` block DOMContentLoaded, the browser waits for them to execute.
- Images and other resources may also still continue loading.
- The `load` event on `window` triggers when the page and all resources are loaded. We rarely use it, because there's usually no need to wait for so long.
- The `beforeunload` event on `window` triggers when the user wants to leave the page. If we cancel the event, browser asks whether the user really wants to leave (e.g we have unsaved changes).
- The `beforeunload` event on `window` triggers when the user wants to leave the page. If we prevent the default action, browser asks whether the user really wants to leave (e.g. we have unsaved changes).
- The `unload` event on `window` triggers when the user is finally leaving, in the handler we can only do simple things that do not involve delays or asking a user. Because of that limitation, it's rarely used. We can send out a network request with `navigator.sendBeacon`.
- `document.readyState` is the current state of the document, changes can be tracked in the `readystatechange` event:
- `loading` -- the document is loading.
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