📅  最后修改于: 2022-03-11 15:03:55.134000             🧑  作者: Mango
// this example takes 2 seconds to run
const start = Date.now();
// After a certain amount of time, run this to see how much time passed.
const milliseconds = Date.now() - start;
console.log('Seconds passed = ' + millis / 1000);
// Seconds passed = *Time passed*