Results for “Types & reliable control flow”
Small, practical examples. Search by task or narrow things down below.
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
Reserve space for a visible border
CSS: A border adds to the outer dimensions of a content-box element.
CSS✓ Tested
Resolve a relative URL against a base
TypeScript: A trailing slash makes the final base path component a directory.
TypeScript✓ Tested
Respond to the Enter key
jQuery: Use the event key rather than deprecated numeric key codes.
jQuery✓ 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
Run your first program
TypeScript: Start with a complete program that prints one line. Follow the run instructions below.
TypeScript✓ Tested