📅  最后修改于: 2022-03-11 15:01:52.835000             🧑  作者: Mango
var t0 = performance.now()
doSomething() // <---- The function you're measuring time for
var t1 = performance.now()
console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.")