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.

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

forIn emptyPlainObject

74.1M/s

forIn emptyNullProtoObject

48.8M/s

objectKeys emptyPlainObject

43.1M/s

objectValues emptyPlainObject

42.8M/s

jqueryIsEmptyObject emptyNullProtoObject

34.9M/s

jqueryIsEmptyObject emptyPlainObject

24.2M/s

objectKeys emptyNullProtoObject

20.4M/s

lodashIsEmpty emptyNullProtoObject

13.3M/s

lodashIsEmpty emptyPlainObject

12.1M/s

objectValues emptyNullProtoObject

8.5M/s

objectValues mediumObject

2.3M/s

forIn mediumObject

825K/s

jqueryIsEmptyObject mediumObject

798K/s

objectValues largeObject

604K/s

objectKeys mediumObject

587K/s

lodashIsEmpty mediumObject

443K/s

jqueryIsEmptyObject largeObject

189K/s

forIn largeObject

183K/s

objectKeys largeObject

168K/s

lodashIsEmpty largeObject

143K/s

objectValues veryLargeObject

120K/s

jqueryIsEmptyObject veryLargeObject

45K/s

forIn veryLargeObject

41K/s

objectKeys veryLargeObject

36K/s

lodashIsEmpty veryLargeObject

35K/s

View exact numbers

Test name	Executions per second
✓ forIn emptyPlainObject	74,122,032 Ops/sec
forIn emptyNullProtoObject	48,843,660 Ops/sec
objectKeys emptyPlainObject	43,121,356 Ops/sec
objectValues emptyPlainObject	42,781,512 Ops/sec
jqueryIsEmptyObject emptyNullProtoObject	34,878,460 Ops/sec
jqueryIsEmptyObject emptyPlainObject	24,211,510 Ops/sec
objectKeys emptyNullProtoObject	20,439,332 Ops/sec
lodashIsEmpty emptyNullProtoObject	13,323,639 Ops/sec
lodashIsEmpty emptyPlainObject	12,104,477 Ops/sec
objectValues emptyNullProtoObject	8,490,040 Ops/sec
objectValues mediumObject	2,325,927 Ops/sec
forIn mediumObject	824,522 Ops/sec
jqueryIsEmptyObject mediumObject	798,240 Ops/sec
objectValues largeObject	603,598 Ops/sec
objectKeys mediumObject	586,900 Ops/sec
lodashIsEmpty mediumObject	443,387 Ops/sec
jqueryIsEmptyObject largeObject	188,986 Ops/sec
forIn largeObject	182,649 Ops/sec
objectKeys largeObject	168,224 Ops/sec
lodashIsEmpty largeObject	143,134 Ops/sec
objectValues veryLargeObject	119,959 Ops/sec
jqueryIsEmptyObject veryLargeObject	44,802 Ops/sec
forIn veryLargeObject	41,196 Ops/sec
objectKeys veryLargeObject	36,435 Ops/sec
lodashIsEmpty veryLargeObject	34,569 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);