[] + {} = "[object Object]"
{} + [] = 0
[] + [] = ""
{} + {} = NaN
Who can explain me, why these operations give totally unexpected results? How does operator overloading is set for "+" in such kind of situations?
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Placinta Alexandru
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http://stackoverflow.com/questions/17014770/why-and-how-does-evaluate-to-the-letter-i – epascarello Jan 19 '16 at 23:28
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http://stackoverflow.com/a/7124907 – Dhiraj Jan 19 '16 at 23:30