use { ... } to group statements.
Last updated 2 years ago
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JS ⟩ statement ⟩ other ⟩ block
(statement) use { ... } to group statements.
{ ... }
not block：
object literal / class / switch： no block scope❗
：its is different from a ❗
📗
/
won't operate across an to control an outer / block.
if the code you need to wrap a around has / / / in it：
don't use
A "" is just a of the (associated with the currently executing / / /script).
block scope
ℹ️braces {} punctuator is used in block.
Statements and declarations ⟩ Others ⟩ block
use block instead.
📗 You Don't Know JS Yet: Scopes & Closrues