LibWeb: Add ParentNode::remove_all_children()

This safely removes all children from a Node.

2 files changed, 12 insertions, 0 deletions

diff --git a/Libraries/LibWeb/DOM/ParentNode.cpp b/Libraries/LibWeb/DOM/ParentNode.cpp
index 3bc86e480d..7042dcaa86 100644
--- a/Libraries/LibWeb/DOM/ParentNode.cpp
+++ b/Libraries/LibWeb/DOM/ParentNode.cpp
@@ -26,3 +26,13 @@
 
 #include <LibWeb/DOM/ParentNode.h>
 
+namespace Web {
+
+void ParentNode::remove_all_children()
+{
+    while (RefPtr<Node> child = first_child()) {
+        remove_child(*child);
+    }
+}
+
+}
diff --git a/Libraries/LibWeb/DOM/ParentNode.h b/Libraries/LibWeb/DOM/ParentNode.h
index e8e826c959..cc86505a8e 100644
--- a/Libraries/LibWeb/DOM/ParentNode.h
+++ b/Libraries/LibWeb/DOM/ParentNode.h
@@ -35,6 +35,8 @@ public:
     template<typename F> void for_each_child(F) const;
     template<typename F> void for_each_child(F);
 
+    void remove_all_children();
+
 protected:
     explicit ParentNode(Document& document, NodeType type)
         : Node(document, type)