JavaScript · Scope

JavaScript Scope puzzles

13 JavaScript puzzles on scope. Read the snippet, guess the output, then reveal the answer and why JavaScript behaves that way.

• #412026-07-11
• #362026-07-06
• #352026-07-05
• #322026-07-02
• #312026-07-01
• #192026-06-19
• #182026-06-18
• #162026-06-16
• #152026-06-15
• #52026-06-05
• #42026-06-04
• #22026-06-02
• #12026-06-01