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: 10 months ago

Test name	Executions per second
forIn emptyPlainObject	33635244.0 Ops/sec
forIn emptyNullProtoObject	41239712.0 Ops/sec
forIn mediumObject	315841.4 Ops/sec
forIn largeObject	13725.8 Ops/sec
forIn veryLargeObject	1847.4 Ops/sec
objectKeys emptyPlainObject	31069156.0 Ops/sec
objectKeys emptyNullProtoObject	28954610.0 Ops/sec
objectKeys mediumObject	3357126.2 Ops/sec
objectKeys largeObject	843938.1 Ops/sec
objectKeys veryLargeObject	206030.2 Ops/sec
objectValues emptyPlainObject	13485069.0 Ops/sec
objectValues emptyNullProtoObject	10058403.0 Ops/sec
objectValues mediumObject	1152547.8 Ops/sec
objectValues largeObject	141979.9 Ops/sec
objectValues veryLargeObject	58742.1 Ops/sec
lodashIsEmpty emptyPlainObject	11870261.0 Ops/sec
lodashIsEmpty emptyNullProtoObject	17581028.0 Ops/sec
lodashIsEmpty mediumObject	319552.5 Ops/sec
lodashIsEmpty largeObject	15099.0 Ops/sec
lodashIsEmpty veryLargeObject	1530.0 Ops/sec
jqueryIsEmptyObject emptyPlainObject	16515681.0 Ops/sec
jqueryIsEmptyObject emptyNullProtoObject	20749586.0 Ops/sec
jqueryIsEmptyObject mediumObject	271534.6 Ops/sec
jqueryIsEmptyObject largeObject	8277.8 Ops/sec
jqueryIsEmptyObject veryLargeObject	1434.0 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);

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.

forIn emptyPlainObject

forIn emptyNullProtoObject

forIn mediumObject

forIn largeObject

forIn veryLargeObject

objectKeys emptyPlainObject

objectKeys emptyNullProtoObject

objectKeys mediumObject

objectKeys largeObject

objectKeys veryLargeObject

objectValues emptyPlainObject

objectValues emptyNullProtoObject

objectValues mediumObject

objectValues largeObject

objectValues veryLargeObject

lodashIsEmpty emptyPlainObject

lodashIsEmpty emptyNullProtoObject

lodashIsEmpty mediumObject

lodashIsEmpty largeObject

lodashIsEmpty veryLargeObject

jqueryIsEmptyObject emptyPlainObject

jqueryIsEmptyObject emptyNullProtoObject

jqueryIsEmptyObject mediumObject

jqueryIsEmptyObject largeObject

jqueryIsEmptyObject veryLargeObject