• Marpit(ppt ) marp tutorial - Never use PowerPoint again

  https://youtu.be/EzQ-p41wNEE

  • Marpit /mɑːrpɪt/ is the skinny framework for creating slide deck from Markdown. It can transform Markdown and CSS theme(s) to slide deck composed of static HTML and CSS and create a web page convertible into slide PDF by printing

  https://marpit.marp.app/

  https://github.com/YoungHaKim7/marp_project

• Mermaid

  • Diagramming and charting tool https://mermaid.js.org/

https://poiemaweb.com/

• 인터프리터 언어(Interpreter Language) vs 컴파일 언어(Compiled Language)

https://youtube.com/playlist?list=PLkNVwwEe58DjmO5kTUkfm-8NEDUKG2No5

• 선언 Declare -> undefined 로 메모리 주소로 할당

  • undefined 는 primitive type 이다.
    • https://developer.mozilla.org/en-US/docs/Glossary/Primitive
    • https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/undefined

• 할당 allocation 하면 새로운 주소값 할당 (allocation은 Runtime에서 실행됨)

function test(t) {
  if (t === undefined) {
    return 'Undefined value!';
  }
  return t;
}

let x; // Delare

console.log(test(x)); 
// Expected output: "Undefined value!"

x = 10; // allocation

https://developer.mozilla.org/en-US/docs/Glossary/Hoisting

https://poiemaweb.com/js-array-is-not-arrray?fbclid=IwAR2BbwtwAsunP-vXZCIT9smB4eJEMfRRg0h_g3trK192omvaqV0ykGyWml4&mibextid=Zxz2cZ

flowchart TD
    A[Var foo<br>변수 선언_declare_] -->|0x0000FFFF| C(<strong><em>undefined</em></strong><br>_Primative Type_)
    B[foo = 10<br>값의 할당Allocation] -->|0x0000FFF2| D{80}

https://felixgerschau.com/javascript-memory-management/

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Memory_Management

https://developer.mozilla.org/en-US/docs/Glossary/Falsy