INCLUDES METHODS IN JAVASCRIPT
The includes() method in JavaScript is used to determine whether an array contains a specific element. It returns true if the element is found and false otherwise. This method is case-sensitive.
Syntax:
array.includes(element, start)
element: The value to search for in the array.
start (optional): The index from which to begin the search. Defaults to 0.
Example 1: Basic Usage
const fruits = ["apple", "banana", "mango"];
console.log(fruits.includes("banana")); // true
console.log(fruits.includes("grape")); // false
Example 2: With a Starting Index
const numbers = [1, 2, 3, 4, 5];
console.log(numbers.includes(3, 2)); // true (starts searching from index 2)
console.log(numbers.includes(1, 2)); // false (1 is before index 2)
Notes:
For objects and arrays, includes() checks reference equality (not the structure or content).
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