var t1 = new Date().getTime();
var t2 = t1;
var i = 0, count = 10000000, interval = 0;
for(i = 0; i < count; i++)
{
t2 = new Date().getTime();
interval = (t2 - t1);
}
interval = (t2 - t1);
console.log('【new Date().getTime()】interval: ', interval);
t1 = new Date().getTime();
for(i = 0; i < count; i++)
{
t2 = +new Date;
interval = (t2 - t1);
}
interval = (t2 - t1);
console.log('【+new Date】interval: ', interval);
t1 = new Date().getTime();
for(i = 0; i < count; i++)
{
t2 = Date.now();
interval = (t2 - t1);
}
interval = (t2 - t1);
console.log('【Date.now()】interval: ', interval);
> process.hrtime() [ 3197146, 563552237 ]
var t1 = new Date().getTime();
var t2 = t1;
var i = 0, count = 10000000, interval = 0;
var hrTime1 = process.hrtime();
var hrTime2 = hrTime1;
t1 = new Date().getTime();
for(i = 0; i < count; i++)
{
hrTime2 = process.hrtime(hrTime1);
}
t2 = new Date().getTime();
interval = parseInt(hrTime2[0] * 1e3 + hrTime2[1] * 1e-6);
console.log('【hrTime】interval: ', interval, t2 - t1);
var t1 = new Date().getTime();
var t2 = t1;
var i = 0, count = 10000000, interval = 0;
t1 = process.uptime()*1000;
for(i = 0; i < count; i++)
{
t2 = process.uptime()*1000;
//interval = (t2 - t1);
}
interval = (t2 - t1);
console.log('【process.uptime()】interval: ', interval);
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