WeakMaps

1
// WeakMap is a collection of key/value pairs where the keys must be objects or in other words they must be reference types and not value types like
    numbers, symbols or strings etc
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Be the first to comment

You can use [html][/html], [css][/css], [php][/php] and more to embed the code. Urls are automatically hyperlinked. Line breaks and paragraphs are automatically generated.