document.addEventListener('visibilitychange', function () { if (document.visibilityState == 'hidden') { normal_title = document.title; document.title = '客官请留步...'; } else document.title = normal_title; });
离开前:
离开后:
document.addEventListener('visibilitychange', function () { if (document.visibilityState == 'hidden') { normal_title = document.title; document.title = '客官请留步...'; } else document.title = normal_title; });
离开前:
离开后: