Anil Singh | Code-sample.com

//To count the number of vowel characters in a string using JavaScript let message = 'Hello w0rld' ; let vowels = 'aeiou' let count = 0 //solution 1 for ( let chr of message ){     if ( vowels . includes ( chr )){     count = count + 1 ;    }   } console . log ( "Solution1: " + count ); //solution 2 function countVowels ( data ){   let count = 0 ;   data . split ( '' ). forEach ( x => {     if ( vowels . includes ( x )){         count = count + 1 ;     }   });   return count ; } let countVowel = countVowels ( message ); console . log ( "Solution2: " + countVowel );