Function timeIt

time the execution of a function.

timeIt<ARGS>(fn, ...args): number

Type Parameters

ARGS extends any[] = any[]

Parameters

fn: ((...args: ARGS) => any)
- - (...args): any
  - Parameters
    - Rest...args: ARGS
    Returns any
Rest...args: ARGS

Returns number

millisecond time for function execution.

import { assertGreater, assertLess } from "jsr:@std/assert"

const
	testFn = (a: number, b: number): number => { return a + b },
	delta_time = timeIt(testFn, 5, 10),
	log = `execution time: ${delta_time} ms`
assertGreater(delta_time, 0) // computing a sum should take more than `0` milliseconds
assertLess(delta_time, 2) // computing a sum should take less than `2` milliseconds