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">单击按钮显示“苹果”最后一次出现的位置：</p><button onclick="myFunction()">点我</button><script>function myFunction(){ var fruits=["Banana","Orange","Apple","Mango","Banana","Orange","Apple","Mango"]; var a=fruits.lastIndexOf("Apple") var x=document.getElementById("demo"); x.innerHTML=a;}</script><p><b>注意:</b>lastIndexOf方法在JavaScript 1.6被引进，在Internet Explorer 8或更早的版本中不支持。</p></body></html>