var max_nesting_level = 8; | |
self.addEventListener('message', function(event) { | |
var level = event.data; | |
if (level < max_nesting_level) | |
dispatchEvent(new MessageEvent('message', { data: level + 1 })); | |
throw Error('error at level ' + level); | |
}); | |
self.addEventListener('activate', function(event) { | |
dispatchEvent(new MessageEvent('message', { data: 1 })); | |
}); | |