diff --git a/src/dom/character_data.zig b/src/dom/character_data.zig
index 81797c07..b19325a0 100644
--- a/src/dom/character_data.zig
+++ b/src/dom/character_data.zig
@@ -34,6 +34,14 @@ pub const CharacterData = struct {
         return HTMLElem.toInterface(HTMLElem.Union, res.?);
     }
 
+    pub fn get_previousElementSibling(self: *parser.CharacterData) ?HTMLElem.Union {
+        const res = parser.nodePreviousElementSibling(parser.characterDataToNode(self));
+        if (res == null) {
+            return null;
+        }
+        return HTMLElem.toInterface(HTMLElem.Union, res.?);
+    }
+
     // Read/Write attributes
 
     pub fn get_data(self: *parser.CharacterData) []const u8 {
@@ -88,4 +96,13 @@ pub fn testExecFn(
         .{ .src = "cdata.nextElementSibling.localName === 'a' ", .ex = "true" },
     };
     try checkCases(js_env, &get_next_elem_sibling);
+
+    var get_prev_elem_sibling = [_]Case{
+        .{ .src = "cdata.previousElementSibling === null", .ex = "true" },
+        // create a prev element
+        .{ .src = "let prev = document.createElement('div')", .ex = "undefined" },
+        .{ .src = "link.insertBefore(prev, cdata) !== undefined", .ex = "true" },
+        .{ .src = "cdata.previousElementSibling.localName === 'div' ", .ex = "true" },
+    };
+    try checkCases(js_env, &get_prev_elem_sibling);
 }
diff --git a/src/netsurf.zig b/src/netsurf.zig
index f6a7285a..c244c5c3 100644
--- a/src/netsurf.zig
+++ b/src/netsurf.zig
@@ -270,14 +270,14 @@ pub fn nodeNextSibling(node: *Node) ?*Node {
 pub fn nodeNextElementSibling(node: *Node) ?*Element {
     var n = node;
     while (true) {
-        const next = nodeNextSibling(n);
-        if (next == null) {
+        const res = nodeNextSibling(n);
+        if (res == null) {
             return null;
         }
-        if (nodeType(next.?) == .element) {
-            return @as(*Element, @ptrCast(next.?));
+        if (nodeType(res.?) == .element) {
+            return @as(*Element, @ptrCast(res.?));
         }
-        n = next.?;
+        n = res.?;
     }
     return null;
 }
@@ -288,6 +288,21 @@ pub fn nodePreviousSibling(node: *Node) ?*Node {
     return res;
 }
 
+pub fn nodePreviousElementSibling(node: *Node) ?*Element {
+    var n = node;
+    while (true) {
+        const res = nodePreviousSibling(n);
+        if (res == null) {
+            return null;
+        }
+        if (nodeType(res.?) == .element) {
+            return @as(*Element, @ptrCast(res.?));
+        }
+        n = res.?;
+    }
+    return null;
+}
+
 pub fn nodeParentNode(node: *Node) ?*Node {
     var res: ?*Node = undefined;
     _ = nodeVtable(node).dom_node_get_parent_node.?(node, &res);