Overview
Bracket notation is a fundamental concept in programming that allows you to access elements in arrays and properties in objects. By using square brackets, you can easily retrieve or modify data stored in these structures. Understanding how to use bracket notation is essential for effective coding, a...
Key Terms
Example: let fruits = ['apple', 'banana', 'cherry'];
Example: let car = {make: 'Toyota', model: 'Camry'};
Example: fruits[0] returns 'apple';
Example: car['make'] returns 'Toyota';
Example: In car, 'Toyota' is the value for the key 'make'.
Example: Bracket notation syntax is obj[key] or arr[index].