Tien Duong 0xSiris
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| function getScrollParent(node) { | |
| const isElement = node instanceof HTMLElement; | |
| const overflowY = isElement && window.getComputedStyle(node).overflowY; | |
| const isScrollable = overflowY !== 'visible' && overflowY !== 'hidden'; | |
| if (!node) { | |
| return null; | |
| } else if (isScrollable && node.scrollHeight >= node.clientHeight) { | |
| return node; | |
| } |