From 661aca2a1c5c68f6501efce8688d111a430c1d76 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=A0=95=ED=98=B8=EC=A7=84?=
 <50974359+hozzijeong@users.noreply.github.com>
Date: Thu, 27 Nov 2025 22:29:19 +0900
Subject: [PATCH 1/2] feat: valid-palindrom

---
 valid-palindrome/hozzijeong.js | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 valid-palindrome/hozzijeong.js

diff --git a/valid-palindrome/hozzijeong.js b/valid-palindrome/hozzijeong.js
new file mode 100644
index 0000000000..7f9d808c6f
--- /dev/null
+++ b/valid-palindrome/hozzijeong.js
@@ -0,0 +1,11 @@
+/**
+ * @param {string} s
+ * @return {boolean}
+ */
+var isPalindrome = function(s) {
+    const lowercase = s.toLowerCase(); // 소문자로 변환
+    const replacedString = lowercase.replaceAll(/[^a-z0-9]/g,''); // 정규표현식을 통해 영어/숫자가 아닌 값들을 ''로 변환
+
+    
+    return replacedString === [...replacedString].reverse().join('') // 기존 문자열과 그 값을 뒤집은 문자열이 같은지 비교
+};

From 3b9632015f896ed3aa5e7ed607f7020f1ba02282 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=A0=95=ED=98=B8=EC=A7=84?=
 <50974359+hozzijeong@users.noreply.github.com>
Date: Fri, 28 Nov 2025 22:29:04 +0900
Subject: [PATCH 2/2] feat: nunmber-of-1-bits

---
 number-of-1-bits/hozzijeong.js | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 number-of-1-bits/hozzijeong.js

diff --git a/number-of-1-bits/hozzijeong.js b/number-of-1-bits/hozzijeong.js
new file mode 100644
index 0000000000..260b1656ea
--- /dev/null
+++ b/number-of-1-bits/hozzijeong.js
@@ -0,0 +1,10 @@
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var hammingWeight = function(n) {
+    const binary = n.toString(2);
+
+
+    return binary.replaceAll('0','').length
+};