"1259359833574" isn't a magic constant. JavaScript uses // for comments. The num... | Hacker News

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		walrus on July 6, 2011 \| parent \| context \| favorite \| on: Advanced Javascript tips and tricks "1259359833574" isn't a magic constant. JavaScript uses // for comments. The number is just an example of the possible output of the expression "+new Date()" (specifically, it was the time at which the author of that page evaluated the expression).

altano on July 6, 2011 [–]

Right, and it's equivalent to the more readable

    Number(new Date())

or more simply

    Date.now()

if you don't need IE8 support.

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