test -i

2017:09/03.md

@@ -174,5 +174,21 @@ handleEvent(ele, 'click');
 ## enum
 
 ```js
-enum Days {a, b, c, d, e, f, g}
+enum Days {a, b, c, d, e, f, g};
+
+```
+
+## 泛型
+
+```js
+function createArray<T>(length: number, value: T): Array<T> {
+  let result = [];
+  for (let i = 0; i < length; i++) {
+    result[i] = value;
+  }
+  return result;
+}
+
+createArray<string>(3, 'x'); // ['x', 'x', 'x']
+
 ```
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