运行 ❯
获取您
自己的
网站
×
更改方向
保存代码
更改主题,深色/浅色
前往 Spaces
<!DOCTYPE html> <html> <body> <h1>JavaScript Arrays</h1> <h2>The indexOf() Method</h2> <p id="demo"></p> <script> const fruits = ["Apple", "Orange", "Apple", "Mango"]; let position = fruits.indexOf("Apple") + 1; document.getElementById("demo").innerHTML = "Apple is found in position " + position; </script> </body> </html>