esra-justBI
1/18/2019 - 9:47 AM

Objects

Can have properties = stored information e.g. 'Hello'.length

Can have methods = perform actions. Called by appending the object or instance with a period (method name) and parantheses

Built-in objects (e.g. Math) = collection of methods and properties that JavaScript Provides

objects
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Property
e.g. 'Hello'.length;

Methods
e.g. 'Hello'.toUpperCase();

Built-in objects
e.g. Math.ceil(x);
e.g. Number.isInteger();