palindrom problem solved

Author: AnwarHossainSR

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+ "cSpell.words": ["Palindrom"]
+}

9-palindrom.js

@@ -0,0 +1,14 @@
+//-121 is palindrom or not?
+
+function isPalindrom(num) {
+ let temp = num;
+ let rev = 0;
+ while (temp > 0) {
+ let lastDigit = temp % 10;
+ rev = rev * 10 + lastDigit;
+ temp = Math.floor(temp / 10);
+ }
+ return rev === num;
+}
+
+isPalindrom(-121)