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Read the guide
Choose this route when event-loop phases, cooperative scheduling, or actor mailboxes are new to you.
Open Chapter 1Actor-Web Learning ยท Week 1
JavaScript concurrency and actor mailboxes
Answer one question: if JavaScript executes one stack at a time, why do we still need an actor concurrency model?
Test your model
Complete the workbook
Begin with predictions when you know the vocabulary and want to prove your understanding through bounded experiments.
Open Week 1See it move
Explore the lab
Step through JavaScript queues, Node phases, and Actor-Web scheduling while the corresponding source lines highlight.
Open the interactive lab