const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
// output: true
// .includes can be used to check if an array includes a
// certain value. This method takes a single value an argument the item
// you're checking for, and returns either true or false.
const cities = [
"Orlando",
"Dubai",
"Edinburgh",
"Chennai",
"Denver",
];
console.log(cities.includes("Burlington"));
//Expected output is false
console.log(cities.includes("Denver"));
//Expected output is true
// check if an array INCLUDES a certain value
//array for includes()
let numbers = [1, 2, 3, 4, 5]
// either true or false
numbers.includes(2) // returns true, the numbers array contains the number 2
numbers.includes(6) // returns false, the numbers array DOESNT contain the number 6
const str = 'To be, or not to be, that is the question.'
console.log(str.includes('To be')) // true
console.log(str.includes('question')) // true
console.log(str.includes('nonexistent')) // false
console.log(str.includes('To be', 1)) // false
console.log(str.includes('TO BE')) // false
console.log(str.includes('')) // true
const names = ["Mario", "Anna", "Jacob"];
console.log(names.includes("Jade")) // Output: False
// It Checks If (Names) Contain's ("Jade") Or Not
console.log(names.includes("Anna")) // Output: True
// It Checks If (Names) Contain's ("Anna") Or Not
'a nice string'.includes('a') //true
'a nice string'.includes('b') //false
let fruits = ['mango', 'banana', 'pineapple', 'tomato'];
console.log(fruits.includes('banana')); //Returns True because banana is included it the list
console.log(fruits.includes('orange')); // Returns False, orange is not in the list
let storyWords = ['extremely literally actually hi bye okay']
let unnecessaryWords = ['extremely', 'literally', 'actually' ];
let betterWords = storyWords.filter(function(word) {
return !unnecessaryWords.includes(word);
});
console.log(betterWords) // ['hi' 'bye' 'okay]
const friendsList = ["Abir", "Lalkhan", "Lion", "Shamol", "Kabir", "Shabir"];
if (friendsList.includes("Lion") == true) {
console.log("Lion is Exists");
}
//Output: Lion is Exists
includes(searchElement)
includes(searchElement, fromIndex)