Palindrome Number(回文数)

Author: w2xi

README.md

@@ -4,4 +4,5 @@
 |:---:|:---:|:---:|:---:|
 |1|[两数之和](https://leetcode-cn.com/problems/two-sum/)|[JavaScript](./algorithms/two-sum.js)|Easy|
 |2|[两数相加](https://leetcode-cn.com/problems/add-two-numbers/)|[JavaScript](./algorithms/add-two-numbers.js)|Medium|
+|9|[回文数](https://leetcode-cn.com/problems/palindrome-number/)|[JavaScript](./algorithms/palindrome-number.js)|Easy|
 

algorithms/palindrome-number.js

@@ -0,0 +1,15 @@
+/**
+ * @param {number} x
+ * @return {boolean}
+ */
+var isPalindrome = function (x) {
+  if (x < 0) {
+    return false
+  }
+
+  if (x.toString().split('').reverse().join('') === x.toString()) {
+    return true
+  }
+
+  return false
+};