<html><body><h1>JavaScript 数组</h1><p>Array.splice() 方法添加和删除数组元素：</p><p id="demo"></p><script>const fruits = ["Banana", "Orange", "Apple", "Mango", "Kiwi"];// 在位置 2，删除 2 个项目：fruits.splice(2, 2);document.getElementById("demo").innerHTML = fruits;</script></body></html>