remove vowels from string javascript

var strings = ["bongo drums", "guitar", "flute", "double bass",
               "xylophone","piano"];
string = strings.map(x=>x.replace( /[aeiou]/g, '' ));
console.log(string);

  str = str.replace( /[aeiou]/ig, '' )

function disemvowel(str) {
  var strArr = str.split('');
  for (var x = 0; x < str.length; x++) {
    var char = str[x].toLowerCase();
    if (char == "a" || char == "e" || char == "i" || char == "o" || char == "u") {
      strArr[x] = '';
    }
  }
  return strArr.join('');
}