null/undefined bug fix

qinbo

2021-10-28 1459483053057f0121a10242616db78f84892917

1
"undefined"==typeof self&&(self={}),self.onmessage=function(s){var e=s.data.array,s=self.webkitPostMessage||self.postMessage;try{s({array:e},[e.buffer])}catch(e){s({})}};