confirm data is retained in elementFromPoint

Author: sjorsdonkers

src/browser/html/document.zig

@@ -292,4 +292,15 @@ test "Browser.HTML.Document" {
         .{ "elems.length", "1" },
         .{ "elems[0]", "[object HTMLDivElement]" },
     }, .{});
+
+    try runner.testCases(&.{
+        .{ "let a = document.createElement('a')", null },
+        .{ "a.href = \"https://lightpanda.io\"", null },
+        .{ "a.getClientRects()", null }, // Note this will be placed after the div of previous test
+        .{ "let a_again = document.elementFromPoint(1.5, 0.5)", null },
+        .{ "a_again", "[object HTMLAnchorElement]" },
+        .{ "a_again.href", "https://lightpanda.io" },
+        .{ "let a_agains = document.elementsFromPoint(1.5, 0.5)", null },
+        .{ "a_agains[0].href", "https://lightpanda.io" },
+    }, .{});
 }