algorithm-practice/javascript/4_array-programs/splitArray.js at main · amit265/algorithm-practice · GitHub

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// 27. Split an Array into Chunks

// 1. Using slice() Method

{

let a = [10, 20, 30, 40, 50, 60, 70];

let chunk = 4;

let a1 = a.slice(0, chunk);

let a2 = a.slice(chunk, chunk + a.length);

console.log("Array 1 :" + a1 + "\nArray 2: " + a2);

}

// 2. Using splice() Method

{

let a = [10, 20, 30, 40, 50, 60, 70, 80];

let chunk = 2;

// Spliced arrays into 4 chunks

let a1 = a.splice(0, chunk);

let a2 = a.splice(0, chunk);

let a3 = a.splice(0, chunk);

let a4 = a.splice(0, chunk);

// Display Output

console.log("Array 1:", a1);

console.log("Array 2:", a2);

console.log("Array 3:", a3);

console.log("Array 4:", a4);

}

// 4. Using JavaScript for Loop

{

// Given array

let a = [10, 20, 30, 40, 50, 60, 70, 80];

// Size of chunk

let chunkSize = 2;

// Initialize the output array

let chunks = [];

// Loop to split array into chunks

for (let i = 0; i < a.length; i += chunkSize) {

let chunk = [];

// Iterate for the size of chunk

for (let j = i; j < i + chunkSize && j < a.length; j++) {

chunk.push(a[j]);

}

// push the chunk to output array

chunks.push(chunk);

}

// Display Output

console.log("Chunks:", chunks);

}

// 5. Using reduce() with slice() Method

{

// Given array

let a = [10, 20, 30, 40, 50, 60, 70, 80];

// Size of chunk

let chunkSize = 2;

// Split the array into chunks using reduce

let chunks = a.reduce((acc, _, index) => {

// Create chunk using array.slice()

// and push into the accumulator

acc.push(a.slice(index, index + chunkSize));

return acc;

}, []);

// Display Output

console.log("Chunks:", chunks);

}

algorithm-practice/javascript/4_array-programs/splitArray.js at main · amit265/algorithm-practice · GitHub

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