10 examples of 'javascript push object into array with key' in JavaScript

9
function insertIntoArray(array: T[], object: T): T[] {
10
  return array ? [object, ...array] : [object];
11
}

62
var pushOrCreateArrayAt = function pushOrCreateArrayAt(object, key, valueToPush) {
63
	// don't need to use hasOwnProp as there is no array in the prototype
64
	// but still use it to avoid a warning
65
	// const potentialArray = object[key]
66
	if (Object.prototype.hasOwnProperty.call(object, key)) {
67
		// eventually the if is always true
68
		object[key].push(valueToPush);
69
	} else {
70
		// only for the first time
71
		object[key] = [valueToPush];
72
	}
73
};

95
var pushOrCreateArrayAt = function pushOrCreateArrayAt(object, key, valueToPush) {
96
    // don't need to use hasOwnProp as there is no array in the prototype
97
    // but still use it to avoid a warning
98
    // const potentialArray = object[key]
99
    if (hasOwnProperty.call(object, key)) {
100
        // eventually the if is always true
101
        object[key].push(valueToPush);
102
    } else {
103
        // only for the first time
104
        object[key] = [valueToPush];
105
    }
106
};

1758
function arrayPush(array, values) {
1759
  var index = -1,
1760
      length = values.length,
1761
      offset = array.length;
1762
1763
  while (++index < length) {
1764
    array[offset + index] = values[index];
1765
  }
1766
  return array;
1767
}

168
function arrayPush(array, values) {
169
  var index = -1, length = values.length, offset = array.length
170
171
  while (++index < length) {
172
    array[offset + index] = values[index]
173
  }
174
  return array
175
}

104
function push (array, value) {
105
  array.push(value)
106
  return array
107
}

59
function addKey(jsonArray)
60
{
61
    let newJsonArray = [];
62
63
    for(var i = 0; i < jsonArray.length; i++)
64
    {
65
        let jsonObject = jsonArray[i];
66
67
        let newJsonObject = 
68
        {
69
            key: i,
70
            ...jsonObject
71
        }
72
73
        newJsonArray.push(newJsonObject);
74
    }
75
76
    return newJsonArray;
77
}

1
module.exports = function array_push (inputArr) { // eslint-disable-line camelcase
2
  //  discuss at: https://locutus.io/php/array_push/
3
  // original by: Kevin van Zonneveld (https://kvz.io)
4
  // improved by: Brett Zamir (https://brett-zamir.me)
5
  //      note 1: Note also that IE retains information about property position even
6
  //      note 1: after being supposedly deleted, so if you delete properties and then
7
  //      note 1: add back properties with the same keys (including numeric) that had
8
  //      note 1: been deleted, the order will be as before; thus, this function is not
9
  //      note 1: really recommended with associative arrays (objects) in IE environments
10
  //   example 1: array_push(['kevin','van'], 'zonneveld')
11
  //   returns 1: 3
12
13
  var i = 0
14
  var pr = ''
15
  var argv = arguments
16
  var argc = argv.length
17
  var allDigits = /^\d$/
18
  var size = 0
19
  var highestIdx = 0
20
  var len = 0
21
22
  if (inputArr.hasOwnProperty('length')) {
23
    for (i = 1; i < argc; i++) {
24
      inputArr[inputArr.length] = argv[i]
25
    }
26
    return inputArr.length
27
  }
28
29
  // Associative (object)
30
  for (pr in inputArr) {
31
    if (inputArr.hasOwnProperty(pr)) {
32
      ++len
33
      if (pr.search(allDigits) !== -1) {
34
        size = parseInt(pr, 10)
35
        highestIdx = size > highestIdx ? size : highestIdx
36
      }
37
    }
38
  }
39
  for (i = 1; i < argc; i++) {
40
    inputArr[++highestIdx] = argv[i]
41
  }
42
43
  return len + i - 1
44
}

98
function push(collection, object) {
99
	Array.prototype.push.call(collection, object);
100
	collection.trigger('add', object);
101
}

88
export function safePush(obj, prop, val) {
89
  if (!obj[prop]) obj[prop] = [];
90
  obj[prop].push(val);
91
}