Summary of methods for obtaining the current timestamp by javascript

JavaScript gets the current timestamp:

The first method:

var timestamp = (new Date());

Result: 1280977330000
The second method:

var timestamp = (new Date()).valueOf();

Result: 1280977330748

The third method:

var timestamp=new Date().getTime()；

Result: 1280977330748

The first type: the timestamp obtained is to change milliseconds to 000 display.

The second and third are to obtain the timestamp of the current millisecond.

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