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HTML Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
HTML
What is the fundamental limitation of a Web Worker compared to main-thread JavaScript?
A
Workers cannot use any JavaScript syntax newer than ES5
B
Workers have no access to the DOM (document, window) — communication happens only via postMessage
C
Workers can only run for a maximum of 5 seconds
D
Workers cannot make network requests
Check Answer