About web worker api

HTML5
#1

in web worker api , when i run it then “timeout

Screenshot (31)
Screenshot (31)1600×900 112 KB

” is telling undefined error​

#2

there is no such function in the code

timedOut()

both are complete different

timedOut()
timedout()

another error not related to above that

setTimeout("myfunc()", 500) // function name is string its wrong 
setTimeout(myfunc(), 500) // function name with () is wrong , its used it execute function
setTimeout(myfunc, 500) // is correct