[Algorithm] 28 week(7.25 ~ 7.31) 1/3

1704. Determine if String Halves Are Alike

var halvesAreAlike = function(s) {
    const strings = ['a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'];
    const mid = s.length/2;
    
    let a = 0;
    let b = 0;
    
    for(let i = 0; i < mid; i++) {
        if(strings.includes(s[i])) a++;
        if(strings.includes(s[i+mid])) b++;
    }
    
    return a === b;
};