JavaScript provides many built-in array methods to create, modify, search, and process arrays.
1)push()
Adds one or more elements to the end of an array.
EXAMPLE:
let fruits = ["Apple", "Banana"];
fruits.push("Mango");
console.log(fruits);
OUTPUT:
["Apple", "Banana", "Mango"]
2) pop()
Removes the last element from an array.
EXAMPLE:
Let fruits = ["Apple", "Banana", "Mango"];
fruits.pop();
console.log(fruits);
OUTPUT:
["Apple", "Banana"]
3) unshift()
Adds one or more elements to the beginning of an array.
EXAMPLE:
let fruits = ["Banana", "Mango"];
fruits.unshift("Apple");
console.log(fruits);
OUTPUT:
["Apple", "Banana", "Mango"]
4)shift()
Removes the first element from an array
EXAMPLE:
l
et fruits = ["Apple", "Banana", "Mango"];
fruits.shift();
console.log(fruits);
OUTPUT:
["Banana", "Mango"]
5) includes()
Checks whether an array contains a particular element.
EXAMPLE:
let numbers = [10, 20, 30];
console.log(numbers.includes(20));
OUTPUT:
true
6)slice
Returns a portion of an array without changing the original array
EXAMPLE:
let numbers = [10, 20, 30, 40, 50];
let result = numbers.slice(1, 4);
console.log(result)
OUTPUT:
[20, 30, 40]
7)join()
Converts array elements into a string.
EXAMPLE:
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et fruits = ["Apple", "Banana", "Mango"];
console.log(fruits.join(", "));
OUTPUT:
Apple, Banana, Mango
8)reverse()
Reverses the order of elements.
EXAMPLE:
let numbers = [1, 2, 3, 4, 5];
numbers.reverse();
console.log(numbers);
OUTPUT:
[5, 4, 3, 2, 1]
Top comments (1)
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