摘要：/* var obj = document.getElementById("times"); var ms = 0; var state = 0; function startstop() { if (state == 0) { state = 1; then = new Date(); then.setTime(then.getTime() - ms); } else { state = 0; now = new Date(); ms = now.getTime() - then.getTime(); obj.innerHTML = ms/1000; } } functi 阅读全文

摘要：（1）用Datatime和TmeSpan这个不说了，在要测量的代码前后加上2个DateTime.Now，2者相减，得到一个TmeSpan。DateTime d = DateTime.Now;for (int i = 0; i < 1000; i++){++i;}Console.WriteLine(DateTime.Now - d);（2）用Stopwatch，简单，明了，精确。// 使用 StopWatch 进行测量Stopwatch sw = new Stopwatch();sw.Start();for (int i = 0; i < 1000; i++) { ++i; }sw. 阅读全文