javascript split large array into smaller arrays code example

Example 1: javascript how to split array into subarrays javascript

// Example array.
let randomArray = [3, 5, 1, 5, 7,];
// Create an empty array.
let arrayOfArrays = [];

function splitArray( array ) {
    while (array.length > 0) {
        let arrayElement = array.splice(0,1);
        arrayOfArrays.push(arrayElement);
    }
    return arrayOfArrays;
}

// Call the function while passing in an array of your choice.
splitArray(randomArray)
// => [ [ 3 ], [ 5 ], [ 1 ], [ 5 ], [ 7 ] ]

Example 2: array chunk javascript

let input = [1,2,3,4,5,6,7,8];
let chunked = []
let size = 2;

Array.from({length: Math.ceil(input.length / size)}, (val, i) => {
  chunked.push(input.slice(i * size, i * size + size))
})

console.log(chunked);