diff --git a/Tests/LibWeb/Layout/expected/textarea-content.txt b/Tests/LibWeb/Layout/expected/textarea-content.txt
index f2e684b57b3..f36aa1689c1 100644
--- a/Tests/LibWeb/Layout/expected/textarea-content.txt
+++ b/Tests/LibWeb/Layout/expected/textarea-content.txt
@@ -5,6 +5,7 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
frag 1 from TextNode start: 0, length: 1, rect: [254,8 10x22] baseline: 17
" "
frag 2 from BlockContainer start: 0, length: 0, rect: [267,11 240x44] baseline: 17
+ frag 3 from BlockContainer start: 0, length: 0, rect: [513,11 240x44] baseline: 17
TextNode <#text>
BlockContainer
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
index be38efdb3b1..fc15d6cee38 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
@@ -133,7 +133,10 @@ String HTMLTextAreaElement::value() const
// https://html.spec.whatwg.org/multipage/form-elements.html#dom-textarea-value
void HTMLTextAreaElement::set_value(String const& value)
{
- // FIXME: 1. Let oldAPIValue be this element's API value.
+ auto& realm = this->realm();
+
+ // 1. Let oldAPIValue be this element's API value.
+ auto old_api_value = api_value();
// 2. Set this element's raw value to the new value.
set_raw_value(value);
@@ -141,8 +144,17 @@ void HTMLTextAreaElement::set_value(String const& value)
// 3. Set this element's dirty value flag to true.
m_dirty_value = true;
- // FIXME: 4. If the new API value is different from oldAPIValue, then move the text entry cursor position to the end of the text control, unselecting any selected text and resetting the selection direction to "none".
- update_placeholder_visibility();
+ // 4. If the new API value is different from oldAPIValue, then move the text entry cursor position to the end of
+ // the text control, unselecting any selected text and resetting the selection direction to "none".
+ if (api_value() != old_api_value) {
+ if (m_text_node) {
+ m_text_node->set_data(m_raw_value);
+ update_placeholder_visibility();
+
+ if (auto* browsing_context = document().browsing_context())
+ browsing_context->set_cursor_position(DOM::Position::create(realm, *m_text_node, m_text_node->data().bytes().size()));
+ }
+ }
}
void HTMLTextAreaElement::set_raw_value(String value)