JAVASCRIPT

JavaScript Count The Number Of Vowels In A String

//Example of the solution to finding all the vowels within a string

function countAllTheVowels(string) { 

    //Finding all of the vowels
    const numberOfVowels = string.match(/[aeiou]/gi).length;

    //Returning the result
    return numberOfVowels;
}

how to count vowels in a string javascript

function vowelsCount(str){
    let count = 0;
    let vowels = ["a","e","i","o","u"];

    for(let letter of str.toLowerCase()){
        for(let v of vowels){
            if(letter===v){
                count++;
            }
        }
    }
    return count;
}
const string = "Hello World. I am a developer";
console.log(vowelsCount(string)); // outcome: 10

count vowels in a string javascript

// BEST and FASTER implementation using regex
const countVowels = (str) => (str.match(/[aeiou]/gi) || []).length

vowels Count js

function getCount(str) {
  return (str.match(/[aeiou]/ig)||[]).length;
}

find vowels in string javascript

// Finding the number of vowels in a string.
// Bir string-dizideki sesli harflerin sayısını bulma.

var str = "Küçük-BÜYÜK sesli harflerden OLUŞAN bir STRİNG cümlesi"; 
var counter = 0;          
  str.split("").forEach(element => {      
    var sesliHarfler = ["A", "E", "I", "İ", "O", "Ö", "U", "Ü", "a", "e", "ı", "i", "o", "ö", "u", "ü"];
      var str_1 = (sesliHarfler.includes(element)); 
        if (str_1 == true) {
          counter++;
           console.log(counter);
   };                                           
});