info/developer-roadmap
1
0
Fork 0
mirror of https://github.com/kamranahmedse/developer-roadmap.git synced 2025-01-17 14:18:17 +01:00
Code Issues Releases Wiki Activity

Add information about local scope (#4420)

Browse Source 
javascript-roadmap-scope-variable-local scope description added
fixes : #4388
This commit is contained in:
Selva Muthu Kumaran 2023-09-12 21:04:32 +05:30 committed by GitHub
parent a54fe0d1ba
commit 45c88da643
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/data/roadmaps/javascript/content/101-javascript-variables/103-scopes/index.md
View File

@ -10,6 +10,8 @@ Function Scope: Variables declared within a function can only be used within tha
Block Scope: A block is any part of JavaScript code bounded by '{}'. Variables declared within a block can not be accessed outside that block. This Scope is only provided by the `let` and `const` keywords. If you declare a variable within a block using the `var` keyword, it will NOT have Block Scope.
Local Scope: Local variables are only recognized inside their functions, variables with the same name can be used in different functions. Local variables are created when a function starts, and deleted when the function is completed. `var`, `let` and `const` all provide this Scope.
Visit the following resources to learn more:
- [JavaScript Scope](https://www.w3schools.com/js/js_scope.asp)