[Web dev for beginners] JavaScript Maps
Read OriginalThis article is part of a 'Web development for beginners' series, providing a comprehensive guide to the JavaScript Map class. It covers creating Maps, using .get(), .set(), and .has() methods, understanding .size, and the nuances of using primitive values versus objects as keys, with practical examples.
Comments
No comments yet
Be the first to share your thoughts!
Browser Extension
Get instant access to AllDevBlogs from your browser
Top of the Week
1
React vs Browser APIs (Mental Model)
Jivbcoop
•
4 votes
2
3
Building Type-Safe Compound Components
TkDodo Dominik Dorfmeister
•
2 votes
4
Dew Drop – January 15, 2026 (#4583)
Alvin Ashcraft
•
1 votes
5
Using Browser Apis In React Practical Guide
Jivbcoop
•
1 votes
6
Better react-hook-form Smart Form Components
Maarten Hus
•
1 votes
7
Building a Complete FIRE Calculator App with GitHub Copilot in One Chat Session
James Montemagno
•
1 votes