
PASS existence of postMessage
PASS existence of onmessage
PASS existence of self
PASS existence of location
PASS existence of close
PASS existence of onerror
PASS existence of onoffline
PASS existence of ononline
PASS existence of addEventListener
PASS existence of removeEventListener
PASS existence of dispatchEvent
PASS existence of importScripts
PASS existence of navigator
PASS existence of setTimeout
PASS existence of clearTimeout
PASS existence of setInterval
PASS existence of clearInterval
PASS existence of btoa
PASS existence of atob