IndexedDB with Web Workers
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| <html> | |
| <body> | |
| <span id="output"></span> | |
| </body> | |
| <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script> | |
| <script src="main.js"></script> | |
| </html> |
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| var worker = new Worker('worker.js'); | |
| worker.onmessage = function(event) { | |
| $('#output').text('Output is: ' + event.data); | |
| }; | |
| worker.postMessage('foo'); |
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| self.onmessage = function(event) { | |
| var req = indexedDB.open('mydb', 1); | |
| req.onupgradeneeded = function (e) { | |
| self.postMessage('successfully upgraded db'); | |
| }; | |
| req.onsuccess = function (e) { | |
| self.postMessage('successfully opened db'); | |
| }; | |
| req.onerror = function(e) { | |
| self.postMessage('error'); | |
| } | |
| }; |
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Nice example. Does "req" only work inside of self.onmessage? I tried putting it all inside a function inside worker.js that self.onmessage calls but it fails to call "onsucess"? any ideas?