JavaScript Under The Hood [5] – JavaScript Engine Overview



In this final video of the series, we will talk about JS engines and look at how JavaScript code is turned into machine code that runs on the CPU.

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Timestamps:
0:00 – Intro
0:42 – What is a JS Engine?
1:31 – Specific Browser Engines
3:30 – Compiled vs Interpreted Languages
6:11 – JS Engine Process Overview
7:25 – Abstract Syntax Tree (AST)
10:01 – Interpreter & Bytecode
10:58 – JIT Compilation

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