added JSDoc for replaceNode parameter

preactjs · Apr 21, 2019 · 238e0e4 · 238e0e4
1 parent b9c6954
commit 238e0e4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/render.js b/src/render.js
@@ -9,6 +9,8 @@ import options from './options';
  * @param {import('./index').ComponentChild} vnode The virtual node to render
  * @param {import('./internal').PreactElement} parentDom The DOM element to
  * render into
+ * @param {import('./dom').PreactElement} [replaceNode] Attempt to re-use an
+ * existing DOM tree rooted at `replaceNode`
  */
 export function render(vnode, parentDom, replaceNode) {
 	if (options.root) options.root(vnode, parentDom);