How JavaScript runs your code from the text in the file to the result on the screen, step by step

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Code - app.js
    Console
    app.jssource code (text)
    JavaScript engine (V8)
    Scannertext -> tokens
    Parsertokens -> AST
    Ignitioninterpreter
    hot deopt
    TurboFanJIT compiler
    Resultconsole, screen