This course has been updated! We now recommend you take the JavaScript Performance course.

Check out a free preview of the full Website Performance course:
The "Threaded JavaScript" Lesson is part of the full, Website Performance course featured in this preview video. Here's what you'd learn in this lesson:

Web workers allow you ask a specific JavaScript file to run in its own thread. This means the execution of that JavaScript file will not affect the performance of the overall web application.

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