Summary

There are a number of APIs that use similar messaging techniques—we’ll cover more in the next chapter. Once you’ve got your head around all the different ways you can communicate within your web app, you have all the tools at your disposal to create multi-threaded, multi-window, cross-domain thingamajigs.

Web Workers absolutely provide what has been eagerly awaited: the ability to run background JavaScript jobs that don’t lock your user out of a browsing experience. Now that you’ve seen that it’s easy-peasy, I’m confident your websites will be safe from the beach ball of death!