Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <h2>JavaScript 字符串方法</h2> <p>lastIndexOf() 方法返回指定文本最后一次出现的位置：</p> <p id="demo"></p> <script> var str = "Please locate where 'locate' occurs!"; var pos = str.lastIndexOf("locate"); document.getElementById("demo").innerHTML = pos; </script> </body> </html>