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JS检测客户端访问 function checkDeviceAndAlert() { const userAgent = navigator.userAgent || navigator.vendor || window.opera; const mobileRegex = /android|iphone|ipad|ipod|blackberry|iemobile|opera mini|mobile|windows phone|phone|webos|kindle|tablet/i; const isMobile = mobileRegex.test(userAgent.toLowerCase()); if (isMobile) { alert("移动设备访问"); } else { alert("电脑设备访问"); } } window.addEventListener('DOMContentLoaded', checkDeviceAndAlert);
