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When building modern Web apps and sites, it's important to make your content perform well. That is, to make it work quickly and efficiently. This lets it work effectively both for users of powerful desktop systems as well as for handheld devices with less power.
- Using web workers
- Dedicated Web Workers provide a simple means for web content to run scripts in background threads. Once created, a worker can send messages to the spawning task by posting messages to an event handler specified by the creator.