Run results for: Test object emptyness (for .. in vs Object.keys vs Object.values vs lodash.isEmpty vs jquery.isEmptyObject)

Tests performance of different techniques and libraries individually and with varying data to observe possible variations.

Go to the benchmark

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

forIn emptyNullProtoObject

41.2M/s

forIn emptyPlainObject

33.6M/s

objectKeys emptyPlainObject

31.1M/s

objectKeys emptyNullProtoObject

29.0M/s

jqueryIsEmptyObject emptyNullProtoObject

20.7M/s

lodashIsEmpty emptyNullProtoObject

17.6M/s

jqueryIsEmptyObject emptyPlainObject

16.5M/s

objectValues emptyPlainObject

13.5M/s

lodashIsEmpty emptyPlainObject

11.9M/s

objectValues emptyNullProtoObject

10.1M/s

objectKeys mediumObject

3.4M/s

objectValues mediumObject

1.2M/s

objectKeys largeObject

844K/s

lodashIsEmpty mediumObject

320K/s

forIn mediumObject

316K/s

jqueryIsEmptyObject mediumObject

272K/s

objectKeys veryLargeObject

206K/s

objectValues largeObject

142K/s

objectValues veryLargeObject

59K/s

lodashIsEmpty largeObject

15K/s

forIn largeObject

14K/s

jqueryIsEmptyObject largeObject

8K/s

forIn veryLargeObject

2K/s

lodashIsEmpty veryLargeObject

2K/s

jqueryIsEmptyObject veryLargeObject

1K/s

View exact numbers

Test name	Executions per second
✓ forIn emptyNullProtoObject	41,239,712 Ops/sec
forIn emptyPlainObject	33,635,244 Ops/sec
objectKeys emptyPlainObject	31,069,156 Ops/sec
objectKeys emptyNullProtoObject	28,954,610 Ops/sec
jqueryIsEmptyObject emptyNullProtoObject	20,749,586 Ops/sec
lodashIsEmpty emptyNullProtoObject	17,581,028 Ops/sec
jqueryIsEmptyObject emptyPlainObject	16,515,681 Ops/sec
objectValues emptyPlainObject	13,485,069 Ops/sec
lodashIsEmpty emptyPlainObject	11,870,261 Ops/sec
objectValues emptyNullProtoObject	10,058,403 Ops/sec
objectKeys mediumObject	3,357,126 Ops/sec
objectValues mediumObject	1,152,548 Ops/sec
objectKeys largeObject	843,938 Ops/sec
lodashIsEmpty mediumObject	319,552 Ops/sec
forIn mediumObject	315,841 Ops/sec
jqueryIsEmptyObject mediumObject	271,535 Ops/sec
objectKeys veryLargeObject	206,030 Ops/sec
objectValues largeObject	141,980 Ops/sec
objectValues veryLargeObject	58,742 Ops/sec
lodashIsEmpty largeObject	15,099 Ops/sec
forIn largeObject	13,726 Ops/sec
jqueryIsEmptyObject largeObject	8,278 Ops/sec
forIn veryLargeObject	1,847 Ops/sec
lodashIsEmpty veryLargeObject	1,530 Ops/sec
jqueryIsEmptyObject veryLargeObject	1,434 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

// Preparation
globalThis.emptyPlainObject = {};
globalThis.emptyNullProtoObject = { __proto__: null };
globalThis.mediumObject = {};
globalThis.largeObject = {};
globalThis.veryLargeObject = {};

for (let i = 0; i < 100; ++i) {
  mediumObject[i] = i;
}
for (let i = 0; i < 500; ++i) {
  largeObject[i] = i;
}
for (let i = 0; i < 2000; ++i) {
  veryLargeObject[i] = i;
}

globalThis.forIn = (value) => {
  for (const _ in value) {
    return false;
  }
  return true;
};

globalThis.objectKeys = (value) => Object.keys(value).length === 0;
globalThis.objectValues = (value) => Object.values(value).length === 0;
globalThis.lodashIsEmpty = (value) => _.isEmpty(value);
globalThis.jqueryIsEmptyObject = (value) => $.isEmptyObject(value);

Tests:

forIn emptyPlainObject
forIn(emptyPlainObject);
forIn emptyNullProtoObject
forIn(emptyNullProtoObject);
forIn mediumObject
forIn(mediumObject);
forIn largeObject
forIn(largeObject);
forIn veryLargeObject
forIn(veryLargeObject);
objectKeys emptyPlainObject
objectKeys(emptyPlainObject);
objectKeys emptyNullProtoObject
objectKeys(emptyNullProtoObject);
objectKeys mediumObject
objectKeys(mediumObject);
objectKeys largeObject
objectKeys(largeObject);
objectKeys veryLargeObject
objectKeys(veryLargeObject);
objectValues emptyPlainObject
objectValues(emptyPlainObject);
objectValues emptyNullProtoObject
objectValues(emptyNullProtoObject);
objectValues mediumObject
objectValues(mediumObject);
objectValues largeObject
objectValues(largeObject);
objectValues veryLargeObject
objectValues(veryLargeObject);
lodashIsEmpty emptyPlainObject
lodashIsEmpty(emptyPlainObject);
lodashIsEmpty emptyNullProtoObject
lodashIsEmpty(emptyNullProtoObject);
lodashIsEmpty mediumObject
lodashIsEmpty(mediumObject);
lodashIsEmpty largeObject
lodashIsEmpty(largeObject);
lodashIsEmpty veryLargeObject
lodashIsEmpty(veryLargeObject);
jqueryIsEmptyObject emptyPlainObject
jqueryIsEmptyObject(emptyPlainObject);
jqueryIsEmptyObject emptyNullProtoObject
jqueryIsEmptyObject(emptyNullProtoObject);
jqueryIsEmptyObject mediumObject
jqueryIsEmptyObject(mediumObject);
jqueryIsEmptyObject largeObject
jqueryIsEmptyObject(largeObject);
jqueryIsEmptyObject veryLargeObject
jqueryIsEmptyObject(veryLargeObject);