Categories: Object_Obj

javascript Object_Obj hasOwnProperty( )

@March 15, 2008, 1:22 a.m.

hasOwnProperty( )	Firefox/Netscape/NN 6 IE 5.5(Win) ECMA 3
hasOwnProperty("propertyName")
Returns Boolean true if, at the time the current object's instance was created, its constructor (or literal assignment) contained a property with a name that matches the parameter value. A property assigned to an object via its prototype property is not considered one of the object's own properties.

Parameters

String containing the name of an object property.

Returned Value
Boolean value: true \| false.

javascript Object_Obj prototype