Glossary term
What is synchronous? Meaning for developers
Each line finishes before the next one starts. The engine never skips ahead; it can only wait or move on to the next line.
Learn it properly · JavaScript CoreLesson 1: How JS Works: The Execution ContextEverything in JavaScript happens inside an execution context. How the global one is created — memory phase first, then code phase — and why that order explains almost everything that follows.