From 23cb98272c50b0fe3429fba7fbf52467e069a318 Mon Sep 17 00:00:00 2001
From: "Chase(Seul-gi Choi)" <cs09gi@gmail.com>
Date: Thu, 1 Jun 2017 11:44:44 +0900
Subject: [PATCH] add getArea to api

#6854
---
 src/ol/extent.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ol/extent.js b/src/ol/extent.js
index 746cecbda6..ae67c8a120 100644
--- a/src/ol/extent.js
+++ b/src/ol/extent.js
@@ -426,8 +426,10 @@ ol.extent.forEachCorner = function(extent, callback, opt_this) {
 
 
 /**
+ * Get the size of an extent.
  * @param {ol.Extent} extent Extent.
  * @return {number} Area.
+ * @api
  */
 ol.extent.getArea = function(extent) {
   var area = 0;