Palidrome

November/BodyMassIndex.js

@@ -5,8 +5,8 @@
 // but we know BMI = mass/height**2
 
 let age = prompt("Enter your age");  // prompt the user to enter he or she age
-let weight= prompt("Enter your weight ");   // prompt the user to enter he or she age
-let height= prompt("Enter your height");   // prompt the user to enter he or she age
+let weight= prompt("Enter your weight ");   // prompt the user to enter he or she weight
+let height= prompt("Enter your height");   // prompt the user to enter he or she height
 const BMI = weight / (height ** 2);  // formula of Body Mass Index
 
 function bmi() {

November/Palidrome.js

@@ -0,0 +1,19 @@
+// [November]/[Day 4]/[Javascript]/{Palidrome.js}
+
+/* Given a string, return true if the string is a palindrome or false if it is not. Palindromes are strings that form the same word if it is reversed. Do include spaces and punctuation in determining if the string is a palindrome. Make use of Functions and Methods where necessory */
+
+// Declaration function
+function palindrome(str){
+    var len = str.length;  // assign the length of string
+    var mid = Math.floor(len / 2);  //round down  the length of string
+
+// checking the string
+    for (let i = 0; i < mid; i++){   // iterate through string
+        if (str[i] !== str[len - 1 - i]) {   // checking whether the string are thesame or not when reverse it
+            return false;
+        }
+    }
+    return true;
+}
+
+console.log(palindrome("abba"));  // true