added function countChar

Author: Grajales-K

Sprint-3/revise/implement/card-validator.js

@@ -10,7 +10,7 @@ function cardValidator(num) {
   // console.log(`compare ${numStr[i]} con ${firstDigit} in position ${i}`);
 
     if (numStr[i] !== firstDigit) {
-      // console.log(`diferent digit found: ${numStr[i]}`);
+      // console.log(`different digit found: ${numStr[i]}`);
       return true; // Found at least two different digits
     }
   }
@@ -20,7 +20,7 @@ function cardValidator(num) {
 }
 
 console.log(cardValidator(1111111111111111)); // Output: false and stop in the first return.
-// console.log(cardValidator(1234567890123456)); // Output: true
-// console.log(cardValidator(2222222222222222)); // Output: false
-// console.log(cardValidator(3333333333333334)); // Output: true
+console.log(cardValidator(1234567890123456)); // Output: true
+console.log(cardValidator(2222222222222222)); // Output: false
+console.log(cardValidator(3333333333333334)); // Output: true
 

Sprint-3/revise/implement/count.test.js

@@ -15,3 +15,17 @@
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of the char were found in the case-sensitive str.
+
+
+function countChar(str, char) {
+
+    let findSameLetter = 0;
+    for(let i = 0; i < str.length; i++){
+        if(str[i] === char){
+            findSameLetter ++;
+        }
+    }
+    return findSameLetter;
+}
+                        // 8
+console.log(countChar("Anibal", "a" ));