Results for “common”
Small, practical examples. Search by task or narrow things down below.
Read an ISO-style weekday number
TypeScript: Convert Sunday from zero to seven when using Monday-through-Sunday numbering.
TypeScript✓ Tested
Read an object’s own enumerable values
TypeScript: Object.values provides values without their corresponding keys.
TypeScript✓ Tested
Read date components in UTC
TypeScript: UTC accessors avoid differences caused by the machine’s local timezone.
TypeScript✓ Tested
Read named regex capture groups
TypeScript: Named groups make a fixed input format easier to inspect than numeric group positions.
TypeScript✓ Tested
Read one character from ASCII text
TypeScript: Use a valid zero-based index to read the first character.
TypeScript✓ Tested
Read the beginning of a text value
TypeScript: Extract or display the first three ASCII characters from a known nonempty string.
TypeScript✓ Tested
Read the final array item with a negative index
TypeScript: at supports negative positions counted from the end.
TypeScript✓ Tested
Read the first collection element
TypeScript: Access index zero only after establishing that the collection is nonempty.
TypeScript✓ Tested
Recover from an expected promise rejection
TypeScript: Return a fallback from catch so later handlers receive an ordinary resolved value.
TypeScript✓ Tested
Remove a Map entry and detect whether it existed
TypeScript: Map.delete returns true only when an entry was present.
TypeScript✓ Tested
Remove duplicate values with a Set
Keep the first occurrence order while deduplicating.
Set✓ Tested
Reorder captured text in a replacement
TypeScript: Use numbered replacement groups to rearrange a known two-part name.
TypeScript✓ Tested