What are the conditions to safely use the index as a key?

There are three conditions to make sure, it is safe use the index as a key.

1. The list and items are static– they are not computed and do not change
2. The items in the list have no ids
3. The list is never reordered or filtered.

If you like this question & answer and want to contribute, then write your question & answer and email to freewebmentor[@]gmail.com. Your question and answer will appear on FreeWebMentor.com and help other developers.

Related Questions & Answers

• What is Heap table?
• What is select ICU expression?
• How to read preferences at Widget startup in Flutter?
• What are closures
• How to change upload directory for PDF files in WordPress?
• What is Homebrew?
• How to remove specific element from an array in PHP?
• How to ensure hooks followed the rules in your project?
• HTML parsing in FLUTTER for android / iOS development
• Is angular prevents http level vulnerabilities?
• How to prevent browser image caching in HTML?
• What are the major components of State Management Pattern?
• How to access the Widget from within its own callback onPressed in Dart
• How to remove pings to your own blog?
• WordPress Add a Login Link to wp_nav_menu