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Constructor function: A JavaScript function that creates an object through the new operator and creates and initializes properties and methods
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Prototype- A property of the constructor function
- The place where properties and methods that are identically inherited by objects created by the constructor function are defined
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Private member: A property or method that cannot be modified from outside the object
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All data types except Primitive data types are Objects
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Primitive Types-
number
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string
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boolean
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null
: no value
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undefined
: a declared variable, but hasn't been given a value
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symbol
: a unique value that's not equal to any other value
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Functions are also objects
: A collection of properties
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When using an object literal, the object is created by listing its properties
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Empty object
: Used because properties can be easily added when creating functions with the literal method
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namespace: Minimizes the use of global variables by converting variables and functions into object properties
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Objects are created using the new operator and constructor functions
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this: Used in methods and refers to the calling object that invoked the method
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Constructor function- A function that defines what properties an object to be created will have and how those properties will be initialized
- Similar to classes in typical object-oriented languages
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prototype- Means that the properties of an object are not copied to the created object but are referenced
- If the prototype object of the constructor function is modified, the properties of objects created by this constructor function are changed!