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TypeScriptText handling & Unicode

Compare canonically equivalent Unicode text

TypeScript: Normalize to NFC before comparing equivalent composed and decomposed text.

TypeScript✓ Tested
JavaScriptArray restructuring

Concatenate arrays without mutating either input

JavaScript: concat creates a shallow combined sequence.

JavaScript✓ Tested
TypeScriptArray restructuring

Concatenate arrays without mutating either input

TypeScript: concat creates a shallow combined sequence.

TypeScript✓ Tested
JavaScriptUTC date operations

Construct a date from Unix seconds

JavaScript: Multiply seconds by 1000 before creating a Date.

JavaScript✓ Tested
TypeScriptUTC date operations

Construct a date from Unix seconds

TypeScript: Multiply seconds by 1000 before creating a Date.

TypeScript✓ Tested
JavaScriptPromises & iteration protocols

Consume an asynchronous sequence

JavaScript: for await waits for each value of an async iterator in sequence.

JavaScript✓ Tested
TypeScriptPromises & iteration protocols

Consume an asynchronous sequence

TypeScript: for await waits for each value of an async iterator in sequence.

TypeScript✓ Tested
JavaScriptNumbers & numeric validation

Convert between integer bases

JavaScript: Supply a radix when parsing a nondecimal integer string.

JavaScript✓ Tested
TypeScriptNumbers & numeric validation

Convert between integer bases

TypeScript: Supply a radix when parsing a nondecimal integer string.

TypeScript✓ Tested
JavaScriptUTC date operations

Convert epoch milliseconds to whole seconds

JavaScript: JavaScript Date stores milliseconds while many APIs use Unix seconds.

JavaScript✓ Tested
TypeScriptUTC date operations

Convert epoch milliseconds to whole seconds

TypeScript: JavaScript Date stores milliseconds while many APIs use Unix seconds.

TypeScript✓ Tested
JavaScriptGetting Started

Convert known numeric text to an integer

JavaScript: Convert a trusted literal to an integer before adding. Validate external input before converting it.

JavaScript✓ Tested