JavaScript Tutorial 📘💡📚 for Beginners - Objects 🚗 in JavaScript 📜✨
Introduction to Objects
Objects are collections of key-value pairs
Objects are defined using curly braces {}
Key-value pairs are separated by commas
Keys are strings, values can be any data type
Accessing Object Properties
Use dot notation to access object properties (e.g. car.name)
Use bracket notation to access object properties (e.g. car.color'])
Bracket notation requires quotes around the key
Object Methods
Methods are functions defined inside an object
Methods can access object properties using this keyword
Methods can be called using dot notation (e.g. myObject.myMethod())
Inheritance
Objects can inherit properties and methods from other objects
Use Object.create() to create a new object that inherits from another object
Inherited properties and methods can be overridden
Looping through Objects
Use for...in loop to iterate through object properties
Use Object.keys() to get an array of object keys
Use Object.values() to get an array of object values
Destructuring Objects
Destructuring allows you to extract values from an object and assign them to variables
Use syntax like let { key } = object to extract a value
Can extract multiple values at once using syntax like let { key1, key2 } = object
Deleting Object Properties
Objects can have nested objects as values
Objects can have arrays as values
Objects can have methods that return values or perform actions
Javascript Objects Introduction: • Javascript Objects Introduction Car 🚗 Or ...
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