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docs(api): add example to page.$$eval (#5200)

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This makes it more clear that the callback receives an actual array of nodes instead of just a NodeList.

Co-authored-by: Mathias Bynens <mathias@qiwi.be>
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Feu 2020-01-27 12:19:33 -03:00 committed by Mathias Bynens
parent b45f8e4703
commit c283fea6c5
1 changed files with 5 additions and 1 deletions
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docs/api.md
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@ -1111,7 +1111,11 @@ If `pageFunction` returns a [Promise], then `page.$$eval` would wait for the pro
Examples: Examples:
```js ```js
const divsCounts = await page.$$eval('div', divs => divs.length); const divCount = await page.$$eval('div', divs => divs.length);
```
```js
const options = await page.$$eval('div > span.options', options => options.map(option => option.textContent));
``` ```
#### page.$eval(selector, pageFunction[, ...args]) #### page.$eval(selector, pageFunction[, ...args])