Single-threaded JavaScript VM is fundamentally designed to spawn a single thread, which means that it cannot read and execute multiple instructions simultaneously. When we see a function execution hindering the following function from executing for a few seconds, wait because a singlethread is handling a blocking process.
Table of contents
Scenario: Blocking operationSingle-threaded JavaScriptWhat are Web Workers?ParallelismConcurrencyExamples of Heavy CPU ComputationsIntroducing Web WorkersExample of Simple Web Workers in ActionWeb Workers and Building CPU-Intensive Applications in ActionSide-Effect of Running CPU-intensive Tasks on a Single ThreadSolving the Problem Described Above with a Web WorkerConclusionSort: