fixed React warning about missing list keys

ldgit · Sep 9, 2018 · b3517c9 · b3517c9
1 parent 4392878
commit b3517c9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/components/UltimateGame.jsx b/src/components/UltimateGame.jsx
@@ -79,7 +79,7 @@ export default class UltimateGame extends React.Component {
 function renderTimeTravelButton(onClickHandler, boardsObject, moveNumber) {
   const description = moveNumber === 0 ? 'Go to game start' : `Go to move ${moveNumber}`;
   return (
-    <li>
+    <li key={moveNumber}>
       <button type="button" onClick={() => onClickHandler(moveNumber)}>{description}</button>
     </li>
   );