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Re:Show HN: I built an extension of JavaScript in a day by chmod775 on Saturday August 16, 2014 @05:02PM (#8187570)
The first argument is the name, the second is city.

If you give a third, the second will be your age and the third your city.

Example:

   sayHello('Andreas', 'Berlin')
   sayHello('Andreas', 21, 'Berlin')

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