add comment how offset from bottom is calculated

pull/21833/head
Bruno Windels 2020-03-03 15:42:44 +01:00 committed by J. Ryan Stinnett
parent 91aa8d4a3a
commit 462c3411b2
1 changed files with 1 additions and 0 deletions

View File

@ -765,6 +765,7 @@ export default createReactClass({
}, },
_topFromBottom(node) { _topFromBottom(node) {
// current capped height - distance from top = distance from bottom of container to top of tracked element
return this._itemlist.current.clientHeight - node.offsetTop; return this._itemlist.current.clientHeight - node.offsetTop;
}, },