2018-12-06 10:28:30 +08:00
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<!DOCTYPE html><html><head><title>Facebook – log in or sign up</title><meta name="viewport" content="user-scalable=no,initial-scale=1,maximum-scale=1" /><link href="https://static.xx.fbcdn.net/rsrc.php/v3/ya/r/O2aKM2iSbOw.png" rel="shortcut icon" sizes="196x196" /><meta name="referrer" content="origin-when-crossorigin" id="meta_referrer" /><link rel="stylesheet" type="text/css" crossorigin="anonymous" data-bootloader-hash="YbIg6" href="https://static.xx.fbcdn.net/rsrc.php/v3/yl/l/0,cross/-bF53JFJhMe.css" /><link rel="stylesheet" type="text/css" crossorigin="anonymous" data-bootloader-hash="RoiDK" href="https://static.xx.fbcdn.net/rsrc.php/v3/yB/l/0,cross/S1cI3wlAO7v.css" /><link rel="stylesheet" type="text/css" crossorigin="anonymous" data-bootloader-hash="MU+0K" href="https://static.xx.fbcdn.net/rsrc.php/v3/yT/l/0,cross/E4xcQcgv_mq.css" /><script id="u_0_g">function envFlush(a){function b(b){for(var c in a)b[c]=a[c]}window.requireLazy?window.requireLazy(["Env"],b):(window.Env=window.Env||{},b(window.Env))}envFlush({"timeslice_heartbeat_config":{"pollIntervalMs":33,"idleGapThresholdMs":60,"ignoredTimesliceNames":{"requestAnimationFrame":true,"Event listenHandler mousemove":true,"Event listenHandler mouseover":true,"Event listenHandler mouseout":true,"Event listenHandler scroll":true},"isHeartbeatEnabled":true,"isArtilleryOn":false},"shouldLogCounters":true,"timeslice_categories":{"react_render":true,"reflow":true},"sample_continuation_stacktraces":true,"dom_mutation_flag":true});</script><script>document.domain = 'facebook.com';/^#~?!(?:\/?[\w\.-])+\/?(?:\?|$)/.test(location.hash)&&location.replace(location.hash.substr(location.hash.indexOf("!")+1));</script><script>__DEV__=0;</script><script id="u_0_h" crossorigin="anonymous" src="https://static.xx.fbcdn.net/rsrc.php/v3inLb4/yk/l/en_GB/ZbYvQaFuGLo.js" data-bootloader-hash="PZzeG"></script><script id="u_0_e">CavalryLogger=window.CavalryLogger||function(a){this.lid=a,this.transition=!1,this.metric_collected=!1,this.is_detailed_profiler=!1,this.instrumentation_started=!1,this.pagelet_metrics={},this.events={},this.ongoing_watch={},this.values={t_cstart:window._cstart},this.piggy_values={},this.bootloader_metrics={},this.resource_to_pagelet_mapping={},this.initializeInstrumentation&&this.initializeInstrumentation()},CavalryLogger.prototype.setIsDetailedProfiler=function(a){this.is_detailed_profiler=a;return this},CavalryLogger.prototype.setTTIEvent=function(a){this.tti_event=a;return this},CavalryLogger.prototype.setValue=function(a,b,c,d){d=d?this.piggy_values:this.values;(typeof d[a]==="undefined"||c)&&(d[a]=b);return this},CavalryLogger.prototype.getLastTtiValue=function(){return this.lastTtiValue},CavalryLogger.prototype.setTimeStamp=CavalryLogger.prototype.setTimeStamp||function(a,b,c,d){this.mark(a);var e=this.values.t_cstart||this.values.t_start;e=d?e+d:CavalryLogger.now();this.setValue(a,e,b,c);this.tti_event&&a==this.tti_event&&(this.lastTtiValue=e,this.setTimeStamp("t_tti",b));return this},CavalryLogger.prototype.mark=typeof console==="object"&&console.timeStamp?function(a){console.timeStamp(a)}:function(){},CavalryLogger.prototype.addPiggyback=function(a,b){this.piggy_values[a]=b;return this},CavalryLogger.instances={},CavalryLogger.id=0,CavalryLogger.disableArtilleryOnUntilOffLogging=!1,CavalryLogger.getInstance=function(a){typeof a==="undefined"&&(a=CavalryLogger.id);CavalryLogger.instances[a]||(CavalryLogger.instances[a]=new CavalryLogger(a));return CavalryLogger.instances[a]},CavalryLogger.setPageID=function(a){if(CavalryLogger.id===0){var b=CavalryLogger.getInstance();CavalryLogger.instances[a]=b;CavalryLogger.instances[a].lid=a;delete CavalryLogger.instances[0]}CavalryLogger.id=a},CavalryLogger.now=function(){return window.performance&&performance.timing&&performance.timing.navigationStart&&performance.now?performance.now()+performance.timing.navigationStart:new Date().getTime()},CavalryLogger.prototype.measureResources=function(){},CavalryLogger.prototype.profileEarlyResources=function(){},CavalryLogger.getBootloaderMetricsFromAllLoggers=function(){},Ca
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