js 新手求解

gzw13999 2013-04-01 09:35:34

_cookie.setCookie("ts_uid", !0) 这句中的 !0是什么意思这个参数是怎么来的。

完整Js



run: function() {

            var e, t, n;

            e = (new Date).getTime(),

            _cookie.init(),

            this.url.push(this.getDomainInfo()),

            this.coverCookie(),

            _cookie.setCookie("ssid"),

            _cookie.save(),

            this.url.unshift("http://pingfore." + this.getCookieSetDomain(_curDomain) + "/pingd?"),

            this.url.push(this.getRefInfo(_params));

            try {

                navigator.cookieEnabled ? this.url.push("&pvid=" + _cookie.setCookie("pgv_pvid", !0)) : this.url.push("&pvid=NoCookie")

            } catch(r) {

                this.url.push("&pvid=NoCookie")

            }

            this.url.push(this.getMainEnvInfo()),

            this.url.push(this.getExtendEnvInfo()),

            _pgvVersion && (pgvGetColumn(), pgvGetTopic(), this.url.push("&column=" + Tcss.column + "&subject=" + Tcss.subject), tracert()),

            this.url.push("&vs=" + _ver),

            _cookie.setCookie("ts_uid", !0),

            t = (new Date).getTime(),

            _ext.push("tm=" + (t - e)),

            _ch && _ext.push("ch=" + _ch),

            _params.extParam ? n = _params.extParam + "|": n = "",

            this.url.push("&ext=" + escape(n + _ext.join(";"))),

            this.url.push("&hurlcn=" + escape(_hurlcn.join(";"))),

            this.url.push("&rand=" + Math.round(Math.random() * 1e5)),

            typeof _speedMark == "undefined" ? this.url.push("&reserved1=-1") : this.url.push("&reserved1=" + (new Date - _speedMark));

            if (_params.pgUserType || _params.reserved2) {

                var i = _params.pgUserType || _params.reserved2;

                _tt.push("pu=" + escape(i.substring(0, 256)))

            }

            var s = this.getSud();

            s && _tt.push("su=" + escape(s.substring(0, 256))),

            this.url.push("&tt=" + escape(_tt.join(";"))),

            this.sendInfo(this.url.join(""));

            if (_crossDomain == 1) {

                var o = this.getParameter("tcss_rp_dm", _d.URL);

                if (o != Tcss.dm) {

                    var u = this.url.join("").replace(/\?dm=(.*?)\&/, "?dm=" + o + "&");

                    this.sendInfo(u)

                }

            }

            _params.hot && (document.attachEvent ? document.attachEvent("onclick",

            function(e) {

                pgvWatchClick(e)

            }) : document.addEventListener("click",

            function(e) {

                pgvWatchClick(e)

            },

            !1)),

            _params.repeatApplay && _params.repeatApplay == "true" && typeof _rep != "undefined" && (_rep = 1),

            this.loadScript(_speedTestUrl)

        },