Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Sign up
Appearance settings

undefined의 진짜 의미 #70

Open
Assignees
Labels
Answered답변이 완료된 상태

Description

var a = {};
a.b; // undefined

여기서 b는 선언도 안됐는데 왜 undefiend인가요 ?

Metadata

Metadata

Labels

Answered답변이 완료된 상태

Type

No type
No fields configured for issues without a type.

Projects

No projects

Milestone

No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions

      AltStyle によって変換されたページ (->オリジナル) /