add files

2018-03-23 17:05:32 +08:00
parent aae88046b6
commit 56bfc02fae
10 changed files with 791 additions and 75 deletions
--- a/19-基础/异步.md
+++ b/19-基础/异步.md
@@ -20,3 +20,16 @@



+### 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
+