JavaScript reverse() 方法

颠倒数组中元素的顺序：

代码
结果

<p id="demo">单击按钮将数组反转排序。</p>
<button onclick="myFunction()">点我</button>
<script>
  var fruits = ["Banana", "Orange", "Apple", "Mango"];

  function myFunction() {
    fruits.reverse();
    var x = document.getElementById("demo");
    x.innerHTML = fruits;
  }
</script>