JavaScript property: prototype
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The prototype property (when applied to a JavaScript
object
class) allows the developer to add new properties and methods to that class.
It is a global object
constructor available for all JavaScript objects. For example, Boolean.prototype does not refer to a
single Boolean but to the Boolean() object itself.
It
has the following syntax (with no parameters):
ObjectClass.prototype.name = value
Where value is
typically a function definition and name is the new method or property
to be included in the object class.
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