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Merge pull request #6566 from scottdixon/iframe

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README: cross-domain iframes
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Scott Dixon
2016-06-08 14:39:46 -07:00
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docs/en/advanced-concepts/cross-domain-iframes.md
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## Cross-domain iFrame Automation
[Same-origin policy](https://en.wikipedia.org/wiki/Same-origin_policy) prevents Appium from automating iFrames that have a different domain to the parent.
### Subdomain workaround
If the parent and the iFrame share the same domain (e.g. `site.com` and `shop.site.com`), you can
set `document.domain` on both the parent and each iFrame to a common domain. This solves the same-origin policy issue and allows automation. For example:
Parent:
```
<html>
<head>
<script>
document.domain = 'site.com';
</script>
</head>
<body>
<iframe src="http://shop.site.com" width="200" height="200"></iframe>
</body>
</html>
```
Child iFrame:
```
<html>
<head>
<script>
document.domain = 'site.com';
</script>
</head>
<body>
<p>This is an iFrame!</p>
</body>
</html>
```