function aAn(word){
return (/^[aeiou]/i.test(word) ? "An " : "A ") + word;
}
console.log( aAn("apple"))
console.log( aAn("Apple"))
console.log( aAn("egg"))
console.log( aAn("car"))Ответ:
An apple
An Apple
An egg
A car
JavaScript test | #JavaScript