Merge pull request ruanyf#36 from ReedSun/master

add key for Array which randered
chenlei0813 · May 4, 2017 · 15a5be3 · 15a5be3
2 parents 2d19ffd + 479765c
commit 15a5be3
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/demo02/index.html b/demo02/index.html
@@ -13,8 +13,8 @@
       ReactDOM.render(
         <div>
         {
-          names.map(function (name) {
-            return <div>Hello, {name}!</div>
+          names.map(function (name, index) {
+            return <div key={index}>Hello, {name}!</div>
           })
         }
         </div>,

diff --git a/demo03/index.html b/demo03/index.html
@@ -9,8 +9,8 @@
     <div id="example"></div>
     <script type="text/babel">
       var arr = [
-        <h1>Hello world!</h1>,
-        <h2>React is awesome</h2>,
+        <h1 key="1">Hello world!</h1>,
+        <h2 key="2">React is awesome</h2>,
       ];
       ReactDOM.render(
         <div>{arr}</div>,