html运行实例（jsck_slice_array

代码示例：（标识：jsck_slice_array_2）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数组</h1>

<p>请单击按钮，以使用负数参数提取第三个和第四个元素。</p>

<button onclick="myFunction()">试一试</button>

<p id="demo"></p>

<script>
function myFunction() {
  var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"];
  var myBest = fruits.slice(-3, -1);
  document.getElementById("demo").innerHTML = myBest;
}
</script>

</body>
</html>