add mask

qinbo

2021-12-23 e1c3d0f9135e9790fe1aa77a0927c29844f78117

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({})}};