From 4b49373385788cd9e461b43e6b35c378c1176524 Mon Sep 17 00:00:00 2001
From: krahets <krahets@163.com>
Date: Mon, 13 Feb 2023 16:29:31 +0800
Subject: [PATCH] Update index.md, hashmap.md

---
 docs/chapter_hashing/hash_map.md | 19 +++++++++----------
 docs/index.md                    |  7 ++++++-
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/docs/chapter_hashing/hash_map.md b/docs/chapter_hashing/hash_map.md
index 865a0e6f2..0985a8fa2 100755
--- a/docs/chapter_hashing/hash_map.md
+++ b/docs/chapter_hashing/hash_map.md
@@ -311,18 +311,17 @@ comments: true
 
     ```javascript title="hash_map.js"
     /* 遍历哈希表 */
-    // 遍历键值对 key->value
-    for (const entry of map.entries()) {
-        if (!entry) continue;
-        console.info(entry.key + ' -> ' + entry.val);
+    console.info('\n遍历键值对 Key->Value');
+    for (const [k, v] of map.entries()) {
+        console.info(k + ' -> ' + v);
     }
-    // 单独遍历键 key
-    for (const key of map.keys()) {
-        console.info(key);
+    console.info('\n单独遍历键 Key');
+    for (const k of map.keys()) {
+        console.info(k);
     }
-    // 单独遍历值 value
-    for (const val of map.values()) {
-        console.info(val);
+    console.info('\n单独遍历值 Value');
+    for (const v of map.values()) {
+        console.info(v);
     }
     ```
 
diff --git a/docs/index.md b/docs/index.md
index f0637c1c7..ae7d57a55 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -58,6 +58,12 @@ hide:
 
 <h2 align="center"> 推荐语 </h2>
 
+!!! quote
+
+    “如果我当年学数据结构与算法的时候有《Hello 算法》，学起来应该会简单10倍！”
+
+    **—— 李沐，亚马逊资深首席科学家**
+
 !!! quote
 
     “一本通俗易懂的数据结构与算法入门书，引导读者手脑并用地学习，强烈推荐算法初学者阅读。”
@@ -79,7 +85,6 @@ hide:
 <div class="center-table">
     <table>
         <tbody>
-            <tr>
             <td align="center"><a href="https://github.com/justin-tse"><img src="https://avatars.githubusercontent.com/u/24556310?v=4" width="50px;" alt="justin-tse"/><br /><sub><b>justin-tse</b></sub></a><br /><sub>JS / TS</sub></td>
             <td align="center"><a href="https://github.com/krahets"><img src="https://avatars.githubusercontent.com/u/26993056?v=4" width="50px;" alt="krahets"/><br /><sub><b>krahets</b></sub></a><br /><sub>Java / Python</sub></td>
             <td align="center"><a href="https://github.com/nuomi1"><img src="https://avatars.githubusercontent.com/u/3739017?v=4" width="50px;" alt="nuomi1"/><br /><sub><b>nuomi1</b></sub></a><br /><sub>Swift</sub></td>