# 常见问题

- [为什么网站要允许iframe加载？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-1.md)
- [为什么网站不能复写 window 对象？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-2.md)
- [页面内部嵌入的 iframe 元素如何加载 SDK？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-3.md)
- [同时集成了web sdk 和 hybrid sdk 会怎么处理？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-4.md)
- [同时集成了web sdk 1.x 和web sdk 2.x会怎么处理？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-5.md)
- [元素没有元素浏览量怎么处理？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-6.md)
- [display:none 的元素，其子元素中的a/button只采集一次浏览量，想每次曝光都采集怎么处理？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-7.md)
- [设置了 growing-ignore 之后，其子元素也不采集怎么处理？](https://growingio.gitbook.io/v3/developer-manual/sdkintegrated/web-js-sdk/faq/faq-8.md)


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