回答編集履歴
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追記
test
CHANGED
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@@ -5,3 +5,65 @@
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[MDN(Element.scrollWidth)](https://developer.mozilla.org/ja/docs/Web/API/Element/scrollWidth)
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## 追記
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`scrollWidth`を組み合わせて使うという意味だったのですが言葉不足でした。
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```html
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<div id='scroll'>
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<p>スクロール要素</p>
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</div>
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```
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```js
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const element = document.getElementById('scroll');
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const clientWidth = element.clientWidth;
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const scrollWidth = element.scrollWidth;
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element.onscroll = function() {
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if (scrollWidth - (clientWidth + element.scrollLeft) == 0) {
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console.log('スクロール終了');
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}
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};
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```
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```css
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div {
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width: 500px;
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overflow-x: scroll;
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}
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p {
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width: 1000px;
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height: 100px;
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}
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```
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