🌴 The Complete Front-End Web Development Course 🌴

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https://mega.nz/folder/7z4wiJ4K#\_tOW2PH0-XxXVdgEn371ow

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// 1. push()

let arrPush = [1, 2, 3];
arrPush.push(4, 5);
console.log(arrPush); // Output: [1, 2, 3, 4, 5]

// 2. pop()

let arrPop = [1, 2, 3, 4, 5];
let popped = arrPop.pop();
console.log(popped); // Output: 5
console.log(arrPop); // Output: [1, 2, 3, 4]

// 3. shift()

let arrShift = [1, 2, 3, 4, 5];
let shifted = arrShift.shift();
console.log(shifted); // Output: 1
console.log(arrShift); // Output: [2, 3, 4, 5]

// 4. unshift()

let arrUnshift = [1, 2, 3];
arrUnshift.unshift(-3, -2, -1, 0);
console.log(arrUnshift); // Output: [-3, -2, -1, 0, 1, 2, 3]

// 5. splice()

let arrSplice = [1, 2, 3, 4, 5];
arrSplice.splice(2, 1, 'a', 'b');
console.log(arrSplice); // Output: [1, 2, 'a', 'b', 4, 5]

// 6. slice()

let arrSlice = [1, 2, 3, 4, 5];
let sliced = arrSlice.slice(1, 4);
console.log(sliced); // Output: [2, 3, 4]

// 7. concat()

let arrConcat1 = [1, 2, 3];
let arrConcat2 = [4, 5];
let concatenated = arrConcat1.concat(arrConcat2);
console.log(concatenated); // Output: [1, 2, 3, 4, 5]

// 8. indexOf()

let arrIndexOf = [1, 2, 3, 4, 5, 4];
let index = arrIndexOf.indexOf(4);
console.log(index); // Output: 3