75 lines
2.1 KiB
Markdown
75 lines
2.1 KiB
Markdown
# `window.open` Function
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> Open a new window and load a URL.
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When `window.open` is called to create a new window in a web page, a new instance
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of `BrowserWindow` will be created for the `url` and a proxy will be returned
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to `window.open` to let the page have limited control over it.
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The proxy has limited standard functionality implemented to be
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compatible with traditional web pages. For full control of the new window
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you should create a `BrowserWindow` directly.
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The newly created `BrowserWindow` will inherit parent window's options by
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default, to override inherited options you can set them in the `features`
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string.
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### `window.open(url[, frameName][, features])`
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* `url` String
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* `frameName` String (optional)
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* `features` String (optional)
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Creates a new window and returns an instance of `BrowserWindowProxy` class.
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The `features` string follows the format of standard browser, but each feature
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has to be a field of `BrowserWindow`'s options.
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**Note:** Node integration will always be disabled in the opened `window` if it
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is disabled on the parent window.
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### `window.opener.postMessage(message, targetOrigin)`
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* `message` String
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* `targetOrigin` String
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Sends a message to the parent window with the specified origin or `*` for no
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origin preference.
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## Class: BrowserWindowProxy
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The `BrowserWindowProxy` object is returned from `window.open` and provides
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limited functionality with the child window.
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### `BrowserWindowProxy.blur()`
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Removes focus from the child window.
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### `BrowserWindowProxy.close()`
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Forcefully closes the child window without calling its unload event.
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### `BrowserWindowProxy.closed`
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Set to true after the child window gets closed.
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### `BrowserWindowProxy.eval(code)`
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* `code` String
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Evaluates the code in the child window.
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### `BrowserWindowProxy.focus()`
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Focuses the child window (brings the window to front).
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### `BrowserWindowProxy.postMessage(message, targetOrigin)`
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* `message` String
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* `targetOrigin` String
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Sends a message to the child window with the specified origin or `*` for no
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origin preference.
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In addition to these methods, the child window implements `window.opener` object
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with no properties and a single method.
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