'hasOwnProperty()' Syntax, Parameters and Note : hasOwnProperty « Javascript Methods « JavaScript Reference

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2. Javascript Methods
3. hasOwnProperty

'hasOwnProperty()' Syntax, Parameters and Note

Note:

Has your own property. 
Returns true or false.
    
Syntax:
    
objectName.hasOwnProperty(param1)

Parameters:
    param1   Required; the property name.

    

      
      

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