10 examples of 'array.flat' in JavaScript

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16public static flat(array: T[][]): T[] {
17 let count = 0;
18 for (let i = 0; i < array.length; i++) {
19 count += array[i].length;
20 }
21 const ret = new Array(count);
22 count = 0;
23 for (let i = 0; i < array.length; i++) {
24 const ar = array[i];
25 for (let j = 0; j < ar.length; j++) {
26 ret[count] = ar[j];
27 count++;
28 }
29 }
30 return ret;
31}
11function flat (arr) {
12 return [].concat(...arr)
13}
1function StripToFlat(array) {
2 if (!Array.isArray(array)) {
3 return [array];
4 }
5
6 var res = [];
7
8 for (var i = 0; i < array.length; i++) {
9 var el = array[i];
10
11 if (Array.isArray(el)) {
12 res = res.concat(StripToFlat(el));
13 } else {
14 res.push(el);
15 }
16 }
17
18 return res;
19}
7export function flat(arr: T[][]): T[] {
8 return arr.reduce((a, b) => a.concat(b))
9}
75flat(field = "children", current = true) {
76 const reference = this.data;
77 this.data = Ele.elementFlat(reference, field, current);
78 return this;
79}
3static flatten(arr) { return [].concat.apply([], arr); }
28function flatten(array) { return array.length > 0 ? concat.apply([], array) : array }
57function flatten() {
58 /* convenience for backward compatibility */
59 return new Float32Array(Array.prototype.slice.call(this.flat));
60},
36function flatArray(input) {
37 const flattenedArr = [];
38 function flat(list) {
39 list.forEach(item => {
40 if (Array.isArray(item)) {
41 flat(item)
42 } else {
43 flattenedArr.push(item);
44 }
45 })
46 }
47
48 flat(input);
49 return flattenedArr;
50}
296public static flattenArray(array: (T | T[])[]): T[]
297{
298 const result: T[] = [];
299 for (const item of array)
300 item instanceof Array
301 ? result.push(...Util.flattenArray(item))
302 : result.push(item);
303 return result;
304}

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