Count all the vowels in a string

Author: GetRighhttt

NumberOfVowelsInAString.js

@@ -0,0 +1,54 @@
+/**
+ * Given a string, count the number of vowels present.
+ */
+
+// Split the string into an array, and use a for loop to iterate through
+// the letters. Use a switch statement for beginner purposes.
+
+const getCount = str => {
+    let vowelsCount = 0
+    const arr = str.split("")
+
+    for(let i = 0; i < arr.length; i++) {
+        switch(arr[i]) {
+            case 'a':
+                vowelsCount++
+                break;
+            case 'e':
+                vowelsCount++
+                break;
+            case 'i':
+                vowelsCount++
+                break;
+            case 'o':
+                vowelsCount++
+                break;
+            case 'u':
+                vowelsCount++
+                break;
+        }
+    }
+
+    return vowelsCount
+}
+
+console.log(getCount("My name is Stefan Bayne"))
+// prints 7 vowels
+
+/**
+ * We could also solve this using match() and includes() with a regex.
+ */
+
+// program to count the number of vowels in a string
+
+const countVowel = stringInput => { 
+
+    // find the count of vowels
+    const count = stringInput.match(/[aeiou]/gi).length;
+
+    // return number of vowels
+    return count;
+}
+
+console.log(countVowel("My name is Stefan Lamario Bayne!"))
+// prints 11 vowels