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function chunk (items, size) {
chunk = []
//array concat
items = [].concat(items)
//while loop to let us loop through array to extract the chunk.
while (items.length) {
chunks.push(
items.splice(0, size)
)
}
return chunks
}
// create array list
items = [1, 2, 3, 4, 5, 6, 7, 8]
//split into chunk of two
myItem = chunk(items, 2)
//output:
//[ [ 1, 2 ], [ 3, 4 ], [ 5, 6 ], [ 7, 8 ] ]
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const chunk = (arr, size) =>
Array.from({ length: Math.ceil(arr.length / size) }, (v, i) =>
arr.slice(i * size, i * size + size)
);
chunk([1, 2, 3, 4, 5], 2); // [[1, 2], [3, 4], [5]]
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function splitArrayIntoChunksOfLen(arr, len) {
var chunks = [], i = 0, n = arr.length;
while (i < n) {
chunks.push(arr.slice(i, i += len));
}
return chunks;
}
var alphabet=['a','b','c','d','e','f'];
var alphabetPairs=splitArrayIntoChunksOfLen(alphabet,2); //split into chunks of two
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Array.prototype.chunk = function(size) {
let result = [];
while(this.length) {
result.push(this.splice(0, size));
}
return result;
}
const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
console.log(arr.chunk(2));
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const chunkSize = 10;
for (let i = 0; i < array.length; i += chunkSize) {
const chunk = array.slice(i, i + chunkSize);
// do whatever
}
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const splitArray=(arr, chunk)=>{
const elementInEachSubArray = Math.floor(arr.length / chunk)
const remainingElement = arr.length - (elementInEachSubArray * chunk)
let splitArray = Array.from({length: chunk}, ()=>[])
splitArray = splitArray.map(
(array, i)=>{
return arr.slice(i*elementInEachSubArray, elementInEachSubArray * (i + 1))
}
).map((array, i)=>[array, arr[arr.length - remainingElement + i]].filter(Boolean))
console.log(splitArray)
}