Array Method In Javascript

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POP():

pop() => method removes last element from the array=>

example- const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.pop();

PUSH()=>

push method add new element to an array at the end.

example:

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");

IndexOf()=>

let num=[1,2,3,4,5,6,7,8];

console.log(num.indexOf(6));

include() =>

let num= [1,2,3,4,5,6,7,8];

console.log(num.includes(8,7))

isArray()=>

def: it check is array or Not,

let num = [1,2,3,4,'anurag' , 5,6,7];

console.log(Array.isArray(num));
join() =>

Ex:=> let arr1=[1,2,3,4,5,6];

console.log(arr1.join('And'));

defination :=> It has join charc betn all the element of array and remove array and converted array to something else
lastindexof() =>

def:=> it give last index of Character.

EX:=> let num = [1,2,3,4,5,'anurag',6,'anurag',7,8];

console.log(num.lastIndexOf('anurag'));
map()=>

def=> whatever we right inside the map it applied all element inside the array.

Ex=> let maths=[1,2,4,9,16];

console.log(maths.map(Math.sqrt));
pop()=>

Def=> It has modified orignal array and remove last element.

Ex=> let math=[1,2,3,4,5];

console.log(math.pop());

console.log(math);

output=> 5, [1,2,3,4,]

reverse()=>

def=> it just do reverse the array.

Ex=> let math=[2,34,5,67];

console.log(math.reverse());
shift()=>

def => it pick the first items and remove it and also change the origanl array.

Ex=>let maths=['khan',4,7,6,9];

console.log(maths.shift());

console.log(maths);

sort()=>

Def=> it will sort the array in ascending order.

let math= ['khan' , 'anurag' ,'hitesh','thapa','nareshit'];

console.log(math.sort());
unshift()=>

Def=> it add element in array at first position .

Ex=> let fruits=['apple1', 'chota apple' , 'Bada apple' , 'orange apple'];

fruits.unshift('maaz','santara');

console.log(fruits);

splite()=>

Defination => it will convert to array (string is converted to array)

let name='fuzail';

let array1=name.split('');

console.log(array1);

output=> ['f','u','z','a','i','l']

** for of loop =>

defination => itterate over an array.

Ex=> let fruits = ['apple', 'bada apple' ,'chota apple' ,'king appple'];

let upperfruits=[];

for(let badaletter of fruits){

upperfruits.push(badaletter.toUpperCase());

}

console.log(upperfruits);

output=> [ 'APPLE', 'BADA APPLE', 'CHOTA APPLE', 'KING APPPLE' ]

**Break and continue =>

Def=> Break=>as soon as the value come to 3,the block of whole loop get terminate and it will come out of the block.

Ex =>for (let i=0;i<=5 ; i++){

if(i==3){

break;

}

console.log(i);

}

output => 0 ,1,2

** Continue =>

Def => skip that value