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"This"
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constructors
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super
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This - is basically something used to reference the thing that was used previous to it.
function book(title, author) { this.title = title; this.author = author;
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Constructors - are like regular functions, but are used with the new keyword. -it's good practice to capitalize them.
function Book() { // unfinished code }
- Super : is used to access and call functions on an object's parent.