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fix Node.contains

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Karl Seguin
2025-10-28 19:12:47 +08:00
parent 59bbfc4e06
commit 1a04ebce35
2 changed files with 7 additions and 0 deletions
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2
src/browser/tests/node/child_nodes.html
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@@ -77,6 +77,8 @@
</script> </script>
<script id=contains> <script id=contains>
testing.expectEqual(true, document.contains(document));
testing.expectEqual(true, $('#d1').contains($('#d1')));
testing.expectEqual(true, document.contains($('#d1'))); testing.expectEqual(true, document.contains($('#d1')));
testing.expectEqual(true, document.contains($('#p1'))); testing.expectEqual(true, document.contains($('#p1')));
testing.expectEqual(true, document.contains($('#p2'))); testing.expectEqual(true, document.contains($('#p2')));

5
src/browser/webapi/Node.zig
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@@ -224,6 +224,11 @@ pub fn getRootNode(self: *const Node, opts_: ?GetRootNodeOpts) *const Node {
} }
pub fn contains(self: *const Node, child: *const Node) bool { pub fn contains(self: *const Node, child: *const Node) bool {
if (self == child) {
// yes, this is correct
return true;
}
var parent = child._parent; var parent = child._parent;
while (parent) |p| { while (parent) |p| {
if (p == self) { if (p == self) {