Glossary term
What is debugger (debugger statement)?
debugger stands for debugger statement.
Writing debugger; in code acts like a breakpoint whenever DevTools or the Node inspector is open.
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.