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swap two numbers  [ 823 views ]

Goal: to enjoy he beauty of out of box thinking

Everyday task to swap two numbers. Nothing easier like this, but do it in one line. The trickiest solution I have ever seen:

var a = 1, b = 23;

ok, swap them

b = [a, a = b][0];

this is it, simple beautiful

Friday, October 27th, 2017 at 12:49.
Filed under javascript, tricky.

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