From 54b6b7e96c54ed4f4a30169190d3eb248aa6f499 Mon Sep 17 00:00:00 2001
From: zhe he <zhe-he@qq.com>
Date: Mon, 17 Sep 2018 12:42:49 +0800
Subject: [PATCH] update isDigit

---
 js.md | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/js.md b/js.md
index 026f89d..0ef7278 100644
--- a/js.md
+++ b/js.md
@@ -717,12 +717,7 @@ function isValidDate(value, userFormat='mm/dd/yyyy') {
 - 判断是否为数字类型	
 ```js
 function isDigit(value) {
-    var patrn = /^[0-9]*$/;
-    if (patrn.exec(value) == null || value == "") {
-        return false
-    } else {
-        return true
-    }
+    return /^\d+$/.test(value);
 }
 ```
 - 判断具体类型