shell bypass 403
if performance? and performance.now
module.exports = -> performance.now()
else if process? and process.hrtime
module.exports = -> (getNanoSeconds() - nodeLoadTime) / 1e6
hrtime = process.hrtime
getNanoSeconds = ->
hr = hrtime()
hr[0] * 1e9 + hr[1]
moduleLoadTime = getNanoSeconds()
upTime = process.uptime() * 1e9
nodeLoadTime = moduleLoadTime - upTime
else if Date.now
module.exports = -> Date.now() - loadTime
loadTime = Date.now()
else
module.exports = -> new Date().getTime() - loadTime
loadTime = new Date().getTime()