10 examples of 'js split array into chunks' in JavaScript

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23export function splitArrayIntoChunks(array, size) {
24 let chunkedArray = [];
25 for (let i = 0; i < array.length; i += size) {
26 chunkedArray.push(array.slice(i, i + size));
27 }
28 return chunkedArray;
29}
17function split_chunks(buffer, chunk_size){
18 var chunks = [];
19 for(var i = 0, j = chunk_size; i < buffer.length; i = j, j += chunk_size) {
20 chunks.push(buffer.slice(i, Math.min(j, buffer.length)));
21 }
22 return chunks;
23}
31function splitArray(array) {
32 var blocks = new Array(array.length / 16);
33 for (var i = 0; i < blocks.length; i++) {
34 blocks[i] = array.slice(16 * i, 16 * i + 16);
35 }
36 return blocks;
37}
116function splitInChunks(fromOriginal, toOriginal, chunksCount) {
117 let chunks = [];
118 let from = {
119 x: fromOriginal.x,
120 y: fromOriginal.y
121 };
122 let dx = (toOriginal.x - fromOriginal.x)
123 let dy = (toOriginal.y - fromOriginal.y)
124 let nx = dx/chunksCount;
125 let ny = dy/chunksCount;
126 let to;
127
128 for (let i = 0; i < chunksCount; ++i) {
129 to = {
130 x: from.x + nx,
131 y: from.y + ny
132 }
133 chunks.push({ from, to });
134
135 from = {
136 x: to.x,
137 y: to.y
138 }
139 }
140 return chunks;
141}
38function splitArray(src , numOfGroups) {
39 var currentIdx =0;
40 var repartition = computeArrayRepartition(src.length, numOfGroups);
41
42 // splitting elements according to repartition
43 return _(repartition).map(function (numOfItems) {
44 var itemGroup = [];
45 _(numOfItems).times(function () {
46 itemGroup.push(src[currentIdx]);
47 currentIdx ++;
48 });
49 return itemGroup;
50 });
51}
6function split(array, segments) {
7 segments = segments || 2;
8 var results = [];
9 if (array == null) {
10 return results;
11 }
12
13 var minLength = Math.floor(array.length / segments),
14 remainder = array.length % segments,
15 i = 0,
16 len = array.length,
17 segmentIndex = 0,
18 segmentLength;
19
20 while (i < len) {
21 segmentLength = minLength;
22 if (segmentIndex < remainder) {
23 segmentLength++;
24 }
25
26 results.push(array.slice(i, i + segmentLength));
27
28 segmentIndex++;
29 i += segmentLength;
30 }
31
32 return results;
33}
272function inChunks (arr, callback) {
273 let i = 0
274 if (verbose) console.log(arr[i])
275 conn.query(arr[i], next)
276
277 function next (err, res) {
278 assert.ifError(err)
279 assert.check(res.length === 0)
280 ++i
281 if (i < arr.length) {
282 if (verbose) console.log(arr[i])
283 conn.query(arr[i], (err, res) => {
284 next(err, res)
285 })
286 } else {
287 callback()
288 }
289 }
290}
357export function chunkArray(arr: Array, chunkSize: number): Array> {
358 const chunks = [];
359 for (let i = 0, j = arr.length; i < j; i += chunkSize) {
360 chunks.push(arr.slice(i, i + chunkSize));
361 }
362
363 return chunks;
364}
102input.match(/.{1,14}/g).forEach(function split(chunk) {
103 testStream.write(chunk, 'utf8');
104});
246function chunks(xs, chunkSize) {
247 const length = Math.ceil(xs.length / chunkSize)
248
249 return Array.from({ length }, (_, i) =>
250 xs.slice(i * chunkSize, i * chunkSize + chunkSize)
251 )
252}

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