AI 编程工具xxxxxxxxxx<html><head><meta charset="utf-8"><title>高手教程(study.p2hp.com)</title></head><body><p id="demo">点击按钮截取第三个和第四个元素，使用负数。</p><p id="demo2">这里显示截取最后三个元素，使用负数。</p><button onclick="myFunction()">点我</button><script>function myFunction(){ var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"]; var myBest = fruits.slice(-3,-1); var myBest2 = fruits.slice(-3); var x=document.getElementById("demo"); x.innerHTML=myBest; var x2=document.getElementById("demo2"); x2.innerHTML=myBest2;}</script></body></html>