8000 docs: updated webview tag docs to reflect preload behavior with .asar by iketheguy · Pull Request #30768 · electron/electron · GitHub
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docs: updated webview tag docs to reflect preload behavior with .asar < 8000 span class="f1-light color-fg-muted">#30768

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Sep 6, 2021
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docs: updated webview tag docs to reflect preload behavior with .asar #30768

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8 changes: 6 additions & 2 deletions docs/api/webview-tag.md
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Expand Up @@ -143,12 +143,16 @@ browser plugins. Plugins are disabled by default.
### `preload`

```html
<!-- from a file -->
<webview src="https://www.github.com/" preload="./test.js"></webview>
<!-- or if you want to load from an asar archive -->
<webview src="https://www.github.com/" preload="./app.asar/test.js"></webview>
```

A `String` that specifies a script that will be loaded before other scripts run in the guest
page. The protocol of script's URL must be either `file:` or `asar:`, because it
will be loaded by `require` in guest page under the hood.
page. The protocol of script's URL must be `file:` (even when using `asar:` archives) because
it will be loaded by Node's `require` under the hood, which treats `asar:` archives as virtual
directories.

When the guest page doesn't have node integration this script will still have
access to all Node APIs, but global objects injected by Node will be deleted
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