function ScreenSaver(settings){ ????????????this.settings = settings; ????????????????????this.nTimeout = this.settings.timeout; ?????????????????????????????????document.body.screenSaver = this; ????????????// link in to body events ????????????document.body.onmousemove = ScreenSaver.prototype.onevent; ????????????document.body.onmousedown = ScreenSaver.prototype.onevent; ????????????document.body.onkeydown = ScreenSaver.prototype.onevent; ????????????document.body.onkeypress = ScreenSaver.prototype.onevent; ?????????????????????????var pThis = this; ????????????var f = function(){pThis.timeout();} ????????????this.timerID = window.setTimeout(f, this.nTimeout); ????????} ????????ScreenSaver.prototype.timeout = function(){ ????????????if ( !this.saver ){ ???????????window.location = ‘www.baidu.com‘; ??????????} ????????} ????????ScreenSaver.prototype.signal = function(){ ????????????if ( this.saver ){ ????????????????this.saver.stop(); ????????????} ?????????????????????????window.clearTimeout(this.timerID); ?????????????????????????var pThis = this; ????????????var f = function(){pThis.timeout();} ????????????this.timerID = window.setTimeout(f, this.nTimeout); ????????} ????????????????ScreenSaver.prototype.onevent = function(e){ ????????????this.screenSaver.signal(); ????????} ????????????????????????var saver; ????????function initScreenSaver(){ ????????????//blort; ????????????saver = new ScreenSaver({timeout:5000}); ??//无动作时间 ?????} ????????window.onload = function(){ ??????????initScreenSaver(); ????????} ????????JS监听页面----无鼠标键盘动作，自动跳页
原文地址：https://www.cnblogs.com/linyijia/p/9071294.html