Object in javascript example

As we know from the chapter Data typesSeven of them are called “primitive”, because their values contain only a single thing (be it a string or a number or whatever).

In contrast, objects are used to store keyed collections of various data and more complex entities.

So we must understand them first before going in-depth anywhere else.

An object can be created with figure brackets with an optional list of properties. A property is a “key: value” pair, where is a string (also called a “property name”), and can be anything.

We can imagine an object as a cabinet with signed files.

Array of objects in javascript

Every piece of data is stored in its file by the key. It’s easy to find a file by its name or add/remove a file.

An empty object (“empty cabinet”) can be created using one of two syntaxes:

Usually, the figure brackets are used.

That declaration is called an object literal.

Literals and properties

We can immediately put some properties into as “key: value” pairs:

A property has a key (also known as “name” or “identifier”) before the colon and a value to the right of it.

In the object, th

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