Coding References

CodeCraft JS

DOM Scripting

https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0

17 Most Important DOM Manipulation Methods in JS

Understanding Execution Context

window confirm method

Debugging

Developer Tools: Cmd + Opt + I
in web browser:

• debugger; functionname(asdfasdf); :
  function을 호출해주면 debugger가 열림. 화살표를 눌러주면 됨 (F9)