Results for “common”
Small, practical examples. Search by task or narrow things down below.
Repeat a fixed number of times
TypeScript: Use a counted loop to print three numbered steps.
TypeScript✓ Tested
Repeat a string a fixed number of times
TypeScript: String.repeat requires a nonnegative finite repetition count.
TypeScript✓ Tested
Repeat while a condition holds
TypeScript: Count down while a positive number remains, updating the loop variable on each iteration.
TypeScript✓ Tested
Replace an array segment in place
TypeScript: splice returns removed items and inserts replacements at the chosen position.
TypeScript✓ Tested
Replace one collection element
TypeScript: Update an existing element at a known valid index.
TypeScript✓ Tested
Require two conditions to be true
TypeScript: Combine a lower and an upper bound to check whether a value is in range.
TypeScript✓ Tested
Resolve a relative URL against a base
TypeScript: A trailing slash makes the final base path component a directory.
TypeScript✓ Tested
Return the first item with a generic function
Preserve the element type while allowing empty arrays.
generics✓ Tested
Return typed data from an async function
Await a Promise and handle failures explicitly.
async✓ Tested
Reverse a copy while preserving the original
TypeScript: Copy before reverse because reverse mutates the array it receives.
TypeScript✓ Tested
Run cleanup after a promise settles
TypeScript: finally runs after success or failure and normally preserves the original outcome.
TypeScript✓ Tested
Run dependent async steps in order
TypeScript: Await one result before using it as the input of the next calculation.
TypeScript✓ Tested