javascript - 在 Javascript 中开始半小时的最佳方式是什么

Question

Like 2:46:44 PM should get me 2:30:00 PM, 3:25:33 AM should get me 3:00:00 AM SO on. I could do

var totalseconds = ((time.getMinutes()* 60) +time.getSeconds());
if(totalseconds>(30*60))
{
  time.setMinutes(30);
}
else
{
  time.setMinutes(00);
}
time.setSeconds(00);

寻找更好的方法来做到这一点。

Answer 1

//Like 2:46:44 PM should get me 2:30:00 PM, 3:25:33 AM should get me 3:00:00 AM SO on. I could do

var time = new Date();
var mins = time.getMinutes();
var diff = mins % 30;
time.setMinutes(mins - diff);
time.setSeconds(0);
console.log(time);

您可以使用上面提到的代码。