34ff00e2fe
* fix: added parts of website * fix: removed unnecessary lines * fix: updated contributing.md * fix: added parts of sidebar * fix: added all APIs * fix: added version 10.0.0 Co-authored-by: Jack Franklin <jacktfranklin@chromium.org>
28 lines
1.3 KiB
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28 lines
1.3 KiB
Markdown
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [puppeteer](./puppeteer.md) > [WebWorker](./puppeteer.webworker.md) > [evaluateHandle](./puppeteer.webworker.evaluatehandle.md)
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## WebWorker.evaluateHandle() method
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The only difference between `worker.evaluate` and `worker.evaluateHandle` is that `worker.evaluateHandle` returns in-page object (JSHandle). If the function passed to the `worker.evaluateHandle` returns a `Promise`, then `worker.evaluateHandle` would wait for the promise to resolve and return its value. Shortcut for `await worker.executionContext()).evaluateHandle(pageFunction, ...args)`
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<b>Signature:</b>
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```typescript
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evaluateHandle<HandlerType extends JSHandle = JSHandle>(pageFunction: EvaluateHandleFn, ...args: SerializableOrJSHandle[]): Promise<JSHandle>;
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```
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## Parameters
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| Parameter | Type | Description |
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| --- | --- | --- |
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| pageFunction | [EvaluateHandleFn](./puppeteer.evaluatehandlefn.md) | Function to be evaluated in the page context. |
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| args | [SerializableOrJSHandle](./puppeteer.serializableorjshandle.md)\[\] | Arguments to pass to <code>pageFunction</code>. |
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<b>Returns:</b>
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Promise<[JSHandle](./puppeteer.jshandle.md)>
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Promise which resolves to the return value of `pageFunction`.
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