Pc INIT

palindromeNumber.js

@@ -0,0 +1,61 @@
+// A Positive number and ad reverse together => palindrome
+// 139 + 931 = 1070 => 1070 + 0701 = 1771
+
+const reverseNumber = (number) => {
+    return parseInt(number.toString().split("").reverse().join(""));
+}
+
+const isOdd = (length) => {
+    if (length % 2 >= 1) return true;
+    else return false;
+}
+// 7 - 1 =6 /2 = 3
+// 1234321
+const editOddLengths = (num) => {
+    const splitted = String(num).split("");
+    const length = splitted.length;
+
+    if (length == 1) throw new Error('Error while parsing the number')
+
+    if (isOdd(length)) {
+        // deleting middle one and converting to even length
+        splitted.splice((length - 1) / 2, 1)
+        return splitted;
+    }
+}
+
+function getCopyOfArray(arr) {
+    return [...arr]
+}
+
+const isPalindromeNumber = (number) => {
+    let splitted = String(number).split("");
+    let sumLength = splitted.length;
+
+    if (isOdd(sumLength)) splitted = editOddLengths(number);
+
+    let part1 = getCopyOfArray(splitted).splice(0, (sumLength / 2)).join("")
+    let part2 = reverseNumber(getCopyOfArray(splitted).splice(sumLength / 2, sumLength).join(""))
+
+    if (part1 == part2) return true;
+}
+
+const calculateNumber = (num) => {
+    let result;
+    let reverse;
+
+    reverse = reverseNumber(num);
+    result = num + reverse;
+
+    let steps = 1;
+
+    while (!isPalindromeNumber(result)) {
+        result = result + reverseNumber(result);
+        steps++;
+        console.log(`${num} : | steps: ${steps} | result: ${result}`) // can be removed to having less logs
+    }
+
+    return console.log(`${num} took ${steps} steps to reach ${result} and be knows as a palindrome`);
+}
+
+console.log(calculateNumber(89)) // if you need your CPU, don't run this code and change the input 🐢!