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30-seconds-of-code/snippets/bottomVisible.md
愚人码头 88bf2d6cf4 code error 
```js
const bottomVisible = () =>
  document.documentElement.clientHeight + window.scrollY >= (document.documentElement.scrollHeight || document.documentElement.clientHeight);
// bottomVisible() -> true
```
2017-12-19 14:58:08 +08:00

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bottomVisible

Returns true if the bottom of the page is visible, false otherwise.

Use scrollY, scrollHeight and clientHeight to determine if the bottom of the page is visible.

const bottomVisible = () =>
  document.documentElement.clientHeight + window.scrollY >= (document.documentElement.scrollHeight || document.documentElement.clientHeight);
// bottomVisible() -> true