docs(new): migrate ElementHandle to TSDoc (#6073)

* docs(new): migrate ElementHandle to TSDoc

Co-authored-by: Alex Rudenko <alexrudenko@chromium.org>
This commit is contained in:
Alex Rudenko
2020-06-22 17:21:57 +02:00
committed by GitHub
parent 7025f1c5ea
commit 6657364364
71 changed files with 973 additions and 267 deletions

View File

@@ -4,6 +4,8 @@
## JSHandle.evaluate() method
This method passes this handle as the first argument to `pageFunction`<!-- -->. If `pageFunction` returns a Promise, then `handle.evaluate` would wait for the promise to resolve and return its value.
<b>Signature:</b>
```typescript
@@ -21,3 +23,12 @@ evaluate<ReturnType extends any>(pageFunction: Function | string, ...args: unkno
Promise&lt;ReturnType&gt;
## Example
```js
const tweetHandle = await page.$('.tweet .retweets');
expect(await tweetHandle.evaluate(node => node.innerText)).toBe('10');
```