diff options
Diffstat (limited to 'components/script/dom/element.rs')
| -rw-r--r-- | components/script/dom/element.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs index 11b9168eb41..00a2fee7513 100644 --- a/components/script/dom/element.rs +++ b/components/script/dom/element.rs @@ -1163,16 +1163,16 @@ impl Element { pub fn push_attribute(&self, attr: &Attr) { let name = attr.local_name().clone(); let namespace = attr.namespace().clone(); - let value = DOMString::from(&**attr.value()); let mutation = Mutation::Attribute { name: name.clone(), namespace: namespace.clone(), - old_value: value.clone(), + old_value: None, }; MutationObserver::queue_a_mutation_record(&self.node, mutation); if self.get_custom_element_definition().is_some() { + let value = DOMString::from(&**attr.value()); let reaction = CallbackReaction::AttributeChanged(name, None, Some(value), namespace); ScriptThread::enqueue_callback_reaction(self, reaction, None); } @@ -1311,7 +1311,7 @@ impl Element { let mutation = Mutation::Attribute { name: name.clone(), namespace: namespace.clone(), - old_value: old_value.clone(), + old_value: Some(old_value.clone()), }; MutationObserver::queue_a_mutation_record(&self.node, mutation); |