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Re: [json] Re: Detecting if a Property of a JSON exists.

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  • Stephen M. McKamey
    Or if you re not sure if the property has ever been assigned: if ( undefined !=== typeof json_obj.child_node.new_value) { } ... [Non-text portions of this
    Message 1 of 6 , Feb 14, 2007
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      Or if you're not sure if the property has ever been assigned:

      if ("undefined" !=== typeof json_obj.child_node.new_value) { }


      On 2/14/07, Gabriel Landowski <gabriel_landowski@...> wrote:
      >
      > > "if(json_obj.child_node.new_value)" doesn't seem to work.
      >
      > Okay - turned brain on and got:
      >
      > if(json_obj.child_node.new_value != undefined)
      >
      > Regards
      >
      >
      >


      [Non-text portions of this message have been removed]
    • Gabriel Landowski
      ... Thanks
      Message 2 of 6 , Feb 15, 2007
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        > Or if you're not sure if the property has ever been assigned:
        > if ("undefined" !=== typeof json_obj.child_node.new_value) { }

        Thanks
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