For-in loop with object properties' existence check

chuanxshi / javascript-patterns

JavaScript Design Patterns

http://shichuan.github.io/javascript-patterns

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Closed jojishiro closed 6 years ago

jojishiro commented 7 years ago

I've added a conditional to check whether the object is empty or not before printing any output.

chuanxshi commented 6 years ago

@georgezafiris merged, thanks!