Add NodeList::item (#172)

koute · Mar 26, 2018 · 927fe4a · 927fe4a
1 parent 426b025
commit 927fe4a
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/webapi/node_list.rs b/src/webapi/node_list.rs
@@ -30,6 +30,16 @@ impl NodeList {
         js!( return @{self}.length; ).try_into().unwrap()
     }
 
+    /// Returns a node from a NodeList by index.
+    ///
+    /// [(JavaScript docs)](https://developer.mozilla.org/en-US/docs/Web/API/NodeList/item)
+    // https://dom.spec.whatwg.org/#ref-for-dom-nodelist-item
+    pub fn item( &self, index: u32 ) -> Option< Node > {
+        js!(
+            return @{self}[ @{index} ];
+        ).try_into().unwrap()
+    }
+
     /// Returns an iterator over the list.
     pub fn iter( &self ) -> NodeIter {
         NodeIter {