now

_.now()

获取自 Unix 纪元（1 月 1 日 1970 00:00:00 UTC）以来经过的毫秒数的时间戳。

¥Gets the timestamp of the number of milliseconds that have elapsed since the Unix epoch (1 January 1970 00:00:00 UTC).

新增于

¥Since

2.4.0

返回

¥Returns

(数值)：返回时间戳。

¥(number): Returns the timestamp.

示例

¥Example

_.defer(function(stamp) {
  console.log(_.now() - stamp);
}, _.now());
// => Logs the number of milliseconds it took for the deferred invocation.