From 7b6340e357e75a85fdd4d9b6fc3b158cb33a6ff9 Mon Sep 17 00:00:00 2001
From: qianguyihao <qianguyihao@gmail.com>
Date: Thu, 26 Dec 2019 17:58:53 +0800
Subject: [PATCH] =?UTF-8?q?update:=20=E4=BC=98=E5=8C=96=E8=B4=A8=E6=95=B0?=
 =?UTF-8?q?=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 04-JavaScript基础/07-流程控制语句：循环结构（for和while）.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/04-JavaScript基础/07-流程控制语句：循环结构（for和while）.md b/04-JavaScript基础/07-流程控制语句：循环结构（for和while）.md
index 27ff938..c5f0243 100644
--- a/04-JavaScript基础/07-流程控制语句：循环结构（for和while）.md
+++ b/04-JavaScript基础/07-流程控制语句：循环结构（for和while）.md
@@ -371,9 +371,10 @@ i的值:9
                 //console.log(i);
                 //判断num是否能被i整除
                 if (num % i == 0) {
-                    //如果num能被i整除，则说明num一定不是质数
-                    //设置flag为false
+                    //一旦发现：如果num能被i整除，则说明num一定不是质数，
+                    //此时：设置flag为false，然后跳出 for 循环
                     flag = false;
+                    break;
                 }
             }