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IndexedDB with Web Worker Blobs
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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 | |
| workerBlob = new Blob( | |
| [workerRunner.toString().replace(/^function .+\{?|\}$/g, '')], | |
| { type:'text/javascript' } | |
| ), | |
| workerBlobUrl = URL.createObjectURL(workerBlob), | |
| worker = new Worker(workerBlobUrl); | |
| worker.onmessage = function(event) { | |
| $('#output').text('Output is: ' + event.data); | |
| }; | |
| worker.postMessage('foo'); | |
| function workerRunner() { | |
| self.onmessage = function(event) { | |
| self.postMessage('launched worker...'); | |
| 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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Looks like I can't test workers via gist. IE complains about Blob-workers, and then attempts to use a relative gist url also fail. More investigation needed... Thankfully, the parent of this gist clearly works.