javascript:(function()%7Bvar split %3D window.location.href.split('%3F')%2Curl %3D split%5B0%5D%2Cparams %3D (split%5B1%5D %7C%7C '').split('%26').map((param) %3D> param.split('%3D'))%3Bvar idx %3D params.findIndex((param) %3D> param%5B0%5D %3D%3D 'timestamp')%3Bif (idx !%3D -1) %7Bparams%5Bidx%5D%5B1%5D %3D new Date().getTime()%3B%7D else %7Bparams.push(%5B'timestamp'%2C new Date().getTime()%5D)%3B%7Dwindow.location.href %3D %60%24%7Burl%7D%3F%24%7Bparams.map((param) %3D> param.join('%3D')).join('%26')%7D%60%7D)()