2024/6/26 12:01:15
<!doctype html> <html> <head> <meta charset="utf-8"> <title>判断当前网址上有没有www,如果没有就自动加上!</title> </head> <body> <script> function redirectToWWW() { var currentUrl = window.location.href; var hasWWW = currentUrl.startsWith('://www.'); if (!hasWWW) { var newUrl = currentUrl.replace('://', '://www.'); window.location.href = newUrl; } } redirectToWWW(); </script> </body> </html>