refactor: 目录结构调整

13-前端面试/02-面试题积累/异步.md

@@ -0,0 +1,35 @@
+
+
+## 面试题
+
+### 20180321面试题
+
+```javascript
+    console.log(1);
+
+    setTimeout(function () {
+        console.log(2);
+    }, 1000);
+
+    setTimeout(function () {
+        console.log(3);
+    }, 0);
+
+    console.log(4);
+```
+
+
+
+### 20180321面试题
+
+```javascript
+    var arr = [1, 2, 3];
+    for (var i = 0; i < arr.length; i++) {
+        setTimeout(function () {
+            console.log(i);
+        }, 0);
+    }
+```
+
+打印结果：3，3，3
+