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XDate (GitHub: arshaw /
xdate, License: dual MIT and GPL)
by Adam Shaw is a wrapper around
Date that provides
improved date parsing, formatting, and manipulation. XDate format
strings really help with
formatting dates, which I find myself doing a lot lately in Node or
single page applications.
Here's an example of XDate's formatting method:
new XDate(2011, 0, 1, 6, 0).toString('d/M/yy h(:mm)TT');
Another useful feature of this library is the set of XDate diffing
methods. They provide a friendly API
around date subtraction.
Most of XDate's methods return an
XDate, so it's chainable
d1 = new XDate(); d2 = d1.clone() .setUTCMode(true) .setDate(1) .addMonths(1) .addYears(2);
License: MIT) by Matthew Crumley is a BigInteger library for
library works and the algorithms behind it:
If you look at the source, you'll probably notice that I'm actually using base 10000000, not base 10. I'm using decimal in these examples because it makes things clearer but everything works pretty much exactly the same way in any base. Using a larger base just makes things more efficient because you get 7 digits in each array entry.
Matthew created this library to support his Google Chrome Scientific