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Tap repeatedly to emphasize pausing. |
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Notice how speed-wise, it varies quite a bit. In fact, in some cases, it is actually slower to execute a worker because it is quite expensive to copy over a dataset from the browser into a worker, and then back from a worker into the browser. That said, workers really help not annoy your users with slow, blocking processing, and boost the perceived speed of your application. Heh, cool.
Further reading: there's more kinds of workers and a lot more to read and explore. I hope this helped you!