10 examples of 'typescript find element in array' in JavaScript

7
export function findObject (array, property, value) {
8
  for (let i = 0; i < array.length; i++) {
9
    if (array[i][property] === value) {
10
      return array[i]
11
    }
12
  }
13
14
  return null
15
}

13
function find (array, id) {
14
  if(!id) return
15
  for (var k in array) {
16
    if(array[k].id == id) return array[k]
17
  }
18
}

432
export function find(array, matches) {
433
    var index = findIndex(array, matches);
434
    if (index !== -1) {
435
        return array[index];
436
    }
437
}

1
function __TS__ArrayIndexOf(this: void, arr: T[], searchElement: T, fromIndex?: number): number {
2
    const len = arr.length;
3
    if (len === 0) {
4
        return -1;
5
    }
6
7
    let n = 0;
8
    if (fromIndex) {
9
        n = fromIndex;
10
    }
11
12
    if (n >= len) {
13
        return -1;
14
    }
15
16
    let k: number;
17
    if (n >= 0) {
18
        k = n;
19
    } else {
20
        k = len + n;
21
        if (k < 0) {
22
            k = 0;
23
        }
24
    }
25
26
    for (let i = k; i < len; i++) {
27
        if (arr[i] === searchElement) {
28
            return i;
29
        }
30
    }
31
32
    return -1;
33
}

2
export function findIndex(el:HTMLElement):number {
3
  if (!el.parentElement) {
4
    return -1;
5
  }
6
7
  const children = Array.from(el.parentElement.children);
8
  return children.indexOf(el);
9
}

158
export function array_item_at(array: T[], index: number): T {
159
    if (index >= array.length) {
160
        return array[index % array.length];
161
    }
162
    else if (index < 0) {
163
        return array[array.length - (-index % array.length)];
164
    }
165
    else {
166
        return array[index];
167
    }
168
}

49
function indexOf (ary, element) {
50
    var i;
51
    for (i = 0; i < ary.length; i += 1) {
52
        if (ary[i] === element) {
53
            return i;
54
        }
55
    }
56
    return -1;
57
}

12
function find(array, callback) {
13
    for (var i = 0; i < array.length; i++) {
14
        if (callback(array[i], i, array)) {
15
            return array[i];
16
        }
17
    }
18
}

113
function find(arr, callback) {
114
  return arr[findIndex(arr, callback)];
115
}

236
function _indexOf(array, searchElement, fromIndex)
237
{
238
	if(array.indexOf)
239
		return array.indexOf(searchElement, fromIndex);
240
	else {
241
		if(typeof(fromIndex) != "number")
242
			fromIndex = 0;
243
		
244
		for(var index = 0; index < array.length; index ++)
245
		{
246
			if(array[index] === searchElement)
247
				return index;
248
		}
249
		
250
		return -1;
251
	}
252
}