<!DOCTYPE html>charset="utf-8"W3Cschool教程(w3cschool.cn)id="demo"点击按钮截取数组下标 1 到 2 的元素。onclick="myFunction()"点我function myFunction(){var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"];var citrus = fruits.slice(1,3);var x=document.getElementById("demo");x.innerHTML=citrus;}