合并三个数组 - concat() - 在线编辑器

          <script>
  var parents = ["Jani", "Tove"];
  var brothers = ["Stale", "Kai Jim", "Borge"];
  var children = ["Cecilie", "Lone"];
  var family = parents.concat(brothers, children);
  document.write(family);
</script>
        