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>