valid-palindrome solution

Author: Jaehyeon Robert Han

valid-palindrome/Zioq.js

@@ -0,0 +1,33 @@
+/**
+ * @param {string} s
+ * @return {boolean}
+ */
+var isPalindrome = function(s) {
+
+    let text = s.replace(/[^0-9a-z]/gi, '');
+    text = text.replace(/\s/g, '').toLowerCase();
+
+    const str_arr = text.split("");
+    if( str_arr % 2 === 1 ) {   
+        return false;
+    }
+
+    let length = str_arr.length - 1 ;
+    for ( const [i, value] of str_arr.entries()) {
+        if( value == str_arr[length -i] ) continue;
+        if(value != str_arr[length - i]) {
+            return false
+        }
+    }
+    return true;
+};
+
+/* 
+    Space Complexity - O(n) - Create a array to store elements
+    Time Complexity - O(n) - Traverse through the array
+*/
+
+/* Test code */
+console.log(isPalindrome("A man, a plan, a canal: Panama")); // true
+console.log(isPalindrome("race a car")); // false
+console.log(isPalindrome(" ")); // true