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jakearchibald/gist:180336

Created September 3, 2009 14:40
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gistfile1.js
return (
a[2] < b[0] ? 0 :
b[2] < a[0] ? 0 :
a[0] < b[0] ? (a[2] < b[2] ? a[2] - b[0] : b[2] - b[0]) :
b[2] < a[2] ? b[2] - a[0] : a[2] - a[0]
) * (
a[1] < b[3] ? 0 :
b[1] < a[3] ? 0 :
a[3] < b[3] ? (a[1] < b[1] ? a[1] - b[3] : b[1] - b[3]) :
b[1] < a[1] ? b[1] - a[3] : a[1] - a[3]
);
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