Glossary term
What is Ignition (Ignition (V8's interpreter))?
Ignition stands for Ignition (V8's interpreter).
The part of V8 that turns your code into bytecode and starts running it straight away.
Learn it properly · JavaScript CoreLesson 13: JS Engine and V8 ArchitectureParser, interpreter (Ignition), compiler (TurboFan), memory heap and garbage collection — what the engine does between your file and the CPU. Watch a function climb V8's tiers and fall back on a deopt, and step through mark-and-sweep.