Node: insertBefore() expects two arguments

Author: tindzk

src/main/scala/org/scalajs/dom/raw/lib.scala

@@ -1114,6 +1114,7 @@ class Node extends EventTarget {
  * MDN
  */
  def lookupNamespaceURI(prefix: String): String = js.native
+
  /**
  * Clone a Node, and optionally, all of its contents. By default, it clones the content
  * of the node.
@@ -1136,13 +1137,14 @@ class Node extends EventTarget {
  * MDN
  */
  def replaceChild(newChild: Node, oldChild: Node): Node = js.native
+
  /**
  * Inserts the first Node given in a parameter immediately before the second, child of
  * this element, Node.
  *
  * MDN
  */
- def insertBefore(newChild: Node, refChild: Node = js.native): Node = js.native
+ def insertBefore(newChild: Node, refChild: Node): Node = js.native
 }