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SwVitaliy

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SwVitaliy
May 12th, 2012
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  1. a = {};
  2. >Object
  3. a.a = undefined;
  4. >undefined
  5. a.hasOwnProperty('a')
  6. >true
  7. a.hasOwnProperty('b')
  8. >false
  9. a['a']
  10. >undefined
  11. a['b']
  12. >undefined
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