10 examples of 'javascript check if two arrays have same elements' in JavaScript

1
function areArraysEqual(a, b) {
2
  if (!a || !b) {
3
    return false
4
  }
5
6
  if (a.length !== b.length) {
7
    return false
8
  }
9
10
  for (var i = 0, length = a.length; i < length; i++) {
11
    if (a[i] !== b[i]) {
12
      return false
13
    }
14
  }
15
16
  return true
17
}

392
function areArraysEqual(a: Column, b: Column) {
393
    const xs = a.__array!, ys = b.__array!;
394
    for (let i = 0, _i = a.rowCount; i < _i; i++) {
395
        if (xs[i] !== ys[i]) return false;
396
    }
397
    return true;
398
}

662
function areArraysEqual(array1, array2) {
663
    if (!Array.isArray(array1) || !Array.isArray(array2)) {
664
        return false;
665
    }
666
667
    if (array1.length !== array2.length) {
668
        return false;
669
    }
670
671
    for (let i = 0; i < array1.length; ++i) {
672
        if (array1[i] !== array2[i]) {
673
            return false;
674
        }
675
    }
676
677
    return true;
678
}

288
function equal_arrays (array1, array2) {
289
  for (let i = 0; i < array1.length; i++) {
290
    if (array1[i] != array2[i])	return false;
291
  }
292
  return true;
293
}

43
export function arraysEqual(array1, array2) {
44
    if (!array1 || !array2) {
45
        return false;
46
    }
47
48
    if (array1.length !== array2.length) {
49
        return false;
50
    }
51
52
    for (let index = 0; index < array1.length; index++) {
53
        if (array1[index] instanceof Array && array2[index] instanceof Array) {
54
            if (!arraysEqual(array1[index], array2[index])) {
55
                return false;
56
            }
57
        } else if (array1[index] !== array2[index]) {
58
            return false;
59
        }
60
    }
61
62
    return true;
63
}

522
arraysEqual(array1, array2) {
523
  if (array1.length !== array2.length) return false;
524
  for (let i = array1.length; i--; ) {
525
    if (array1[i] !== array2[i]) return false;
526
  }
527
  return true;
528
}

149
function isEqualArrays(a, b) {
150
  var length, i;
151
  if (a == null && b == null) {
152
    return true;
153
  }
154
  if (a == null || b == null) {
155
    return false;
156
  }
157
  if (a.length !== b.length) {
158
    return false;
159
  }
160
  for (i = 0, length = a.length; i < length; i++) {
161
    if (a[i] !== b[i]) {
162
      return false;
163
    }
164
  }
165
  return true;
166
}

87
function CompareArrays(a, b) {
88
89
	if (Array.isArray(a) === false || Array.isArray(b) === false) {
90
		return false;
91
	}
92
93
	if (a.length !== b.length) {
94
		return false;
95
	}
96
97
	for (let n = 0; n < a.length; n++) {
98
		if (a[n] !== b[n]) {
99
			return false;
100
		}
101
	}
102
103
	return true;
104
}

19
export function equalArrays(a: T[], b: T[]) {
20
  if (a.length !== b.length) {
21
    return false;
22
  }
23
  return a.every((ai, i) => ai === b[i]);
24
}

120
function arraysAreEqual(a, b, eq) {
121
    return a === b || !!a && !!b && a.length === b.length && a.every(function (x, idx) { return eq(x, b[idx]); });
122
}