Results for “Object behavior & collections”
Small, practical examples. Search by task or narrow things down below.
Memoize a derived collection
Memoize a derived collection with a small React component and explicit browser behavior.
React✓ Tested
Memoize a sorted copy of state
Memoize a sorted copy of state with a small React component and explicit browser behavior.
React✓ Tested
Merge two dictionaries
Combine two dictionaries into a new dictionary. When a key appears in both inputs, the value from the second dictionary wins.
dictionary✓ Tested
Mount expensive content only when requested
Mount expensive content only when requested with a small React component and explicit browser behavior.
React✓ Tested
Move a node without losing its event handler
jQuery: detach retains jQuery data and events for reinsertion.
jQuery✓ Tested
Move focus to a heading without adding a tab stop
HTML: A negative tabindex permits programmatic focus while keeping the heading out of ordinary sequential tab navigation.
HTML✓ Tested
Name a meaningful image with alternative text
HTML: Alt supplies an accessible text alternative describing the image’s purpose.
HTML✓ Tested
Name a self-contained embedded document
HTML: Give an iframe a descriptive title and provide its small document with srcdoc.
HTML✓ Tested
Name a template expression with @let
Name a template expression with @let with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Name an icon button
Give a button containing only a symbol an accessible name.
HTML✓ Tested
Name complementary content
HTML: Aside identifies supporting content related to the main document.
HTML✓ Tested
Nest a reusable component
Nest a reusable component with a small React component and explicit browser behavior.
React✓ Tested