10 examples of 'javascript get value by key in array' in JavaScript

457
export function _IDX__BY__key(array, key, _VAL) {
458
	let obj = {}
459
	if (array) {
460
		for (let IDX = 0; IDX < array.length; IDX++) {
461
			const item = array[IDX]
462
			const VAL = _VAL ? _VAL(item && item[key], item, key, IDX) : (item && item[key])
463
			if (!VAL) continue
464
			obj[VAL] = IDX
465
		}
466
	}
467
	return obj
468
}

16
function getValue (value, key) {
17
  if (!value) return value
18
  if (value instanceof Map) {
19
    return value.get(key)
20
  }
21
  if (value instanceof Set) {
22
    return key
23
  }
24
  return value[key]
25
}

184
function getValue (object, key) {
185
    return object == null ? undefined : object[key]
186
}

456
function getValue(object, key) {
457
  return object == null ? undefined : object[key];
458
}

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
}

14
function getValue(obj: T, key: K) {
15
  return obj[key];
16
}

826
function get(obj, key) {
827
  console.assert(key in obj, 'Bad cursor refine: \'' + key + '\' not found in ', obj);
828
  return obj[key];
829
}

29
get(key) {
30
  var index = this.keys_.indexOf(key);
31
  if (index == -1) {
32
    return undefined;
33
  }
34
  return this.values_[index];
35
}

215
function get( key ){
216
	var keys = key.split("/");
217
	switch( keys.length ){
218
		case 1: return o[key];
219
		case 2: return o[keys[0]][keys[1]];
220
		case 3: return o[keys[0]][keys[1]][keys[2]];
221
		case 4: return o[keys[0]][keys[1]][keys[2]][keys[3]];
222
	}
223
}

39
export function get(obj, key) {
40
	return obj instanceof Map ? obj.get(key) : obj[key];
41
}