Results for “Functions & types”
Small, practical examples. Search by task or narrow things down below.
Combine text with a name
TypeScript: Construct a greeting from a fixed prefix and a stored name.
TypeScript✓ Tested
Compare a value with a limit
TypeScript: Turn a comparison into a readable yes or no result.
TypeScript✓ Tested
Compare bounded floating-point results with a tolerance
TypeScript: Use an absolute error threshold for values known to be near one.
TypeScript✓ Tested
Compare canonically equivalent Unicode text
TypeScript: Normalize to NFC before comparing equivalent composed and decomposed text.
TypeScript✓ Tested
Concatenate arrays without mutating either input
TypeScript: concat creates a shallow combined sequence.
TypeScript✓ Tested
Construct a date from Unix seconds
TypeScript: Multiply seconds by 1000 before creating a Date.
TypeScript✓ Tested
Consume an asynchronous sequence
TypeScript: for await waits for each value of an async iterator in sequence.
TypeScript✓ Tested
Convert between integer bases
TypeScript: Supply a radix when parsing a nondecimal integer string.
TypeScript✓ Tested
Convert epoch milliseconds to whole seconds
TypeScript: JavaScript Date stores milliseconds while many APIs use Unix seconds.
TypeScript✓ Tested
Convert known numeric text to an integer
TypeScript: Convert a trusted literal to an integer before adding. Validate external input before converting it.
TypeScript✓ Tested
Copy a range without changing the source
TypeScript: Array.slice returns a shallow copy of the selected half-open range.
TypeScript✓ Tested
Copy nested structured data independently
TypeScript: structuredClone creates an independent copy of supported structured values.
TypeScript✓ Tested