> For the complete documentation index, see [llms.txt](https://javascriptuse.gitbook.io/advanced/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://javascriptuse.gitbook.io/advanced/phat-hien-phan-tu-xuat-hien-o-man-hinh-detect-element-appearing-on-screen-ok.md). # Phát hiện phần tử xuất hiện ở màn hình, Detect element appearing on screen, view (ok) http\://jsfiddle.net/RRSmQ/ Tham khảo thêm: {% embed url="" %} Cách 1: ![](https://2726517656-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M1E4Gk2ppVKb4olmnun%2F-MkBcIZLrkCM7QvIlCFc%2F-MkBfThOpH72rSB4j4HW%2FScreenshot_1.png?alt=media\&token=89c2dd34-a73a-4b73-bd40-7a05d74813f5) ![](https://2726517656-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M1E4Gk2ppVKb4olmnun%2F-MkBcIZLrkCM7QvIlCFc%2F-MkBfWiYboACXU4FxdWd%2FScreenshot_3.png?alt=media\&token=738c7f51-e059-416a-9fad-b9f729bb9210) C:\xampp\htdocs\html\index.html ``` Document
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``` Cách 2: ![](https://2726517656-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M1E4Gk2ppVKb4olmnun%2F-MkBcIZLrkCM7QvIlCFc%2F-MkBckN0uKsP3ZijfuCW%2FScreenshot_1.png?alt=media\&token=d9b0b4c5-4a60-4641-a431-2ec685700321) ![](https://2726517656-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M1E4Gk2ppVKb4olmnun%2F-MkBcIZLrkCM7QvIlCFc%2F-MkBcnXk3QOjgpY8HCmc%2FScreenshot_2.png?alt=media\&token=4e2fa1b1-4113-435a-bf4b-8bb357eaecbd) C:\xampp\htdocs\html\index.html ``` Document
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