=============
toJSON:function toJSON() { [native code] }
navigationStart:1456813816984
unloadEventStart:0
unloadEventEnd:0
redirectStart:0
redirectEnd:0
fetchStart:1456813817004
domainLookupStart:1456813817014
domainLookupEnd:1456813817014
connectStart:1456813817014
connectEnd:1456813817016
requestStart:1456813817016
responseStart:1456813817020
responseEnd:1456813817020
domLoading:1456813817021
domInteractive:1456813817090
domContentLoadedEventStart:1456813817098
domContentLoadedEventEnd:1456813817100
domComplete:1456813817101
loadEventStart:1456813817101
loadEventEnd:1456813817101
=============
agent在页面插入js脚本:失败