This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2016.
The read-only lastChild property of the Node interface returns the last child of the node, or null if there are no child nodes.
Note: This property returns any type of node that is the last child of this one. It may be a Text or a Comment node. If you want to get the last Element that is a child of another element, consider using Element.lastElementChild.
A Node that is the last child of the node, or null if there are no child nodes.
const tr = document.getElementById("row1");
const corner_td = tr.lastChild;
| Specification |
|---|
| DOM> # ref-for-dom-node-lastchild①> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
lastChild |
1 | 12 | 1 | ≤12.1 | 1 | 18 | 45 | ≤12.1 | 1 | 1.0 | 4.4 | 1 |
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https://developer.mozilla.org/en-US/docs/Web/API/Node/lastChild