From 989211b914efb5213dff85aa08afc87e067fb068 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Tue, 6 Sep 2016 00:11:46 -0400
Subject: [PATCH] add example [skip ci]

---
 experimental/babel-preset-env/README.md | 58 +++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/experimental/babel-preset-env/README.md b/experimental/babel-preset-env/README.md
index be9e5eb044..eb49df4789 100644
--- a/experimental/babel-preset-env/README.md
+++ b/experimental/babel-preset-env/README.md
@@ -33,3 +33,61 @@ $ npm install --save-dev babel-preset-env
   ]
 }
 ```
+
+### Example
+
+```js
+// src
+export class A {}
+```
+
+```js
+// default is to run all transforms
+{
+  "presets": [
+    ["env", {}]
+  ]
+}
+
+// ...
+
+var A = exports.A = function A() {
+  _classCallCheck(this, A);
+};
+```
+
+```js
+// target chrome 52
+{
+  "presets": [
+    ["env", {
+      "targets": {
+        "chrome": 52
+      }
+    }]
+  ]
+}
+
+// ...
+
+class A {}
+exports.A = A;
+```
+
+```js
+// target chrome 52 with webpack 2/rollup
+{
+  "presets": [
+    ["env", {
+      "targets": {
+        "chrome": 52
+      },
+      "modules": false
+    }]
+  ]
+}
+
+// ...
+
+export class A {}
+```