How to check if value exists in array JavaScript?

1. Using includes()

const fruits = ["Banana", "Orange", "Apple", "Mango"];
console.log(fruits.includes("Mango"));

2. Using indexof()

const fruits = ["Banana", "Orange", "Apple", "Mango"];
if(fruits.indexOf("Orange") !== -1) {  
   alert("Yes, the value exists!")  
} else {
   alert("No, the value is absent.")  
}