Function that takes a string as input and reverses only the vowels of a string

reverseVowelsOfString.js

'use strict';

const reverseVowelString = s => {
    let str = s.split('');
    const voewls = ['a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'];
    const storeVowelsFromString = []; 

    for (let i = 0; i <= str.length - 1; i++) {
        for (let j = 0; j <= voewls.length - 1; j++) {
            if (str[i] === voewls[j]) {
                storeVowelsFromString.push(str[i]); 
                str[i] = '_'; 
            }
        }
    }

    const revStr = storeVowelsFromString.reverse();
  
    let index = 0;
  
    return str.map(a => a === "_" ? revStr[index++] : a).join('');
};


console.log(reverseVowelString('ENTREPRENEURIAL'));