Results for “Object behavior & collections”
Small, practical examples. Search by task or narrow things down below.
Validate a field when focus leaves it
jQuery: focusout bubbles and can support delegated form validation.
jQuery✓ Tested
Validate a field when focus leaves it
Validate a field when focus leaves it with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Validate a structured text identifier
HTML: The pattern attribute matches the entire nonempty input; required handles the empty case.
HTML✓ Tested
Validate access through a custom context hook
Validate access through a custom context hook with a small React component and explicit browser behavior.
React✓ Tested
Validate an email input
Use browser constraint validation for a required HTML email field.
HTML✓ Tested
Validate an unknown value with a type guard
Check a field before treating unknown data as a typed object.
unknown✓ Tested
Validate email syntax with Angular’s email validator
Validate email syntax with Angular’s email validator with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Validate the shape of an absolute URL
HTML: A URL input checks syntax, not whether a resource exists or is safe.
HTML✓ Tested
Verify a read-only volume rejects writes
Docker / Compose: A failed write confirms the mount’s read-only behavior.
Docker / Compose✓ Tested
Visit matched elements in order
jQuery: Learn how to visit matched elements in order in a complete browser example.
jQuery✓ Tested
Wait for several deferred values
jQuery: when resolves only after every supplied deferred has resolved.
jQuery✓ Tested
Wait until all selected elements finish animating
jQuery: promise observes the animation queues for every matched element.
jQuery✓ Tested