<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>function equal(a, b) { if (a === b) return true; if (a && b && typeof a == 'object' && typeof b == 'object') { if (a.constructor !== b.constructor) return false; var length, i, keys; if (Array.isArray(a)) { length = a.length; if (length != b.length) return false; for (i = length; i-- !== 0;) if (!equal(a[i], b[i])) return false; return true; } if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags; if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf(); if (a.toString !== Object.prototype.toString) return a.toString() === b.toString(); keys = Object.keys(a); length = keys.length; if (length !== Object.keys(b).length) return false; for (i = length; i-- !== 0;) if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false; for (i = length; i-- !== 0;) { var key = keys[i]; if (!equal(a[key], b[key])) return false; } return true; } // true if both NaN, false otherwise return a!==a && b!==b;};var tests = [ { description: 'scalars', tests: [ { description: 'equal numbers', value1: 1, value2: 1, equal: true }, { description: 'not equal numbers', value1: 1, value2: 2, equal: false }, { description: 'number and array are not equal', value1: 1, value2: [], equal: false }, { description: '0 and null are not equal', value1: 0, value2: null, equal: false }, { description: 'equal strings', value1: 'a', value2: 'a', equal: true }, { description: 'not equal strings', value1: 'a', value2: 'b', equal: false }, { description: 'empty string and null are not equal', value1: '', value2: null, equal: false }, { description: 'null is equal to null', value1: null, value2: null, equal: true }, { description: 'equal booleans (true)', value1: true, value2: true, equal: true }, { description: 'equal booleans (false)', value1: false, value2: false, equal: true }, { description: 'not equal booleans', value1: true, value2: false, equal: false }, { description: '1 and true are not equal', value1: 1, value2: true, equal: false }, { description: '0 and false are not equal', value1: 0, value2: false, equal: false }, { description: 'NaN and NaN are equal', value1: NaN, value2: NaN, equal: true }, { description: '0 and -0 are equal', value1: 0, value2: -0, equal: true }, { description: 'Infinity and Infinity are equal', value1: Infinity, value2: Infinity, equal: true }, { description: 'Infinity and -Infinity are not equal', value1: Infinity, value2: -Infinity, equal: false } ] }, { description: 'objects', tests: [ { description: 'empty objects are equal', value1: {}, value2: {}, equal: true }, { description: 'equal objects (same properties "order")', value1: {a: 1, b: '2'}, value2: {a: 1, b: '2'}, equal: true }, { description: 'equal objects (different properties "order")', value1: {a: 1, b: '2'}, value2: {b: '2', a: 1}, equal: true }, { description: 'not equal objects (extra property)', value1: {a: 1, b: '2'}, value2: {a: 1, b: '2', c: []}, equal: false }, { description: 'not equal objects (different property values)', value1: {a: 1, b: '2', c: 3}, value2: {a: 1, b: '2', c: 4}, equal: false }, { description: 'not equal objects (different properties)', value1: {a: 1, b: '2', c: 3}, value2: {a: 1, b: '2', d: 3}, equal: false }, { description: 'equal objects (same sub-properties)', value1: { a: [ { b: 'c' } ] }, value2: { a: [ { b: 'c' } ] }, equal: true }, { description: 'not equal objects (different sub-property value)', value1: { a: [ { b: 'c' } ] }, value2: { a: [ { b: 'd' } ] }, equal: false }, { description: 'not equal objects (different sub-property)', value1: { a: [ { b: 'c' } ] }, value2: { a: [ { c: 'c' } ] }, equal: false }, { description: 'empty array and empty object are not equal', value1: {}, value2: [], equal: false }, { description: 'object with extra undefined properties are not equal #1', value1: {}, value2: {foo: undefined}, equal: false }, { description: 'object with extra undefined properties are not equal #2', value1: {foo: undefined}, value2: {}, equal: false }, { description: 'object with extra undefined properties are not equal #3', value1: {foo: undefined}, value2: {bar: undefined}, equal: false }, { description: 'nulls are equal', value1: null, value2: null, equal: true }, { description: 'null and undefined are not equal', value1: null, value2: undefined, equal: false }, { description: 'null and empty object are not equal', value1: null, value2: {}, equal: false }, { description: 'undefined and empty object are not equal', value1: undefined, value2: {}, equal: false }, { description: 'objects with different `toString` functions returning same values are equal', value1: {toString: ()=>'Hello world!'}, value2: {toString: ()=>'Hello world!'}, equal: true }, { description: 'objects with `toString` functions returning different values are not equal', value1: {toString: ()=>'Hello world!'}, value2: {toString: ()=>'Hi!'}, equal: false } ] }, { description: 'arrays', tests: [ { description: 'two empty arrays are equal', value1: [], value2: [], equal: true }, { description: 'equal arrays', value1: [1, 2, 3], value2: [1, 2, 3], equal: true }, { description: 'not equal arrays (different item)', value1: [1, 2, 3], value2: [1, 2, 4], equal: false }, { description: 'not equal arrays (different length)', value1: [1, 2, 3], value2: [1, 2], equal: false }, { description: 'equal arrays of objects', value1: [{a: 'a'}, {b: 'b'}], value2: [{a: 'a'}, {b: 'b'}], equal: true }, { description: 'not equal arrays of objects', value1: [{a: 'a'}, {b: 'b'}], value2: [{a: 'a'}, {b: 'c'}], equal: false }, { description: 'pseudo array and equivalent array are not equal', value1: {'0': 0, '1': 1, length: 2}, value2: [0, 1], equal: false } ] }, { description: 'Date objects', tests: [ { description: 'equal date objects', value1: new Date('2017-06-16T21:36:48.362Z'), value2: new Date('2017-06-16T21:36:48.362Z'), equal: true }, { description: 'not equal date objects', value1: new Date('2017-06-16T21:36:48.362Z'), value2: new Date('2017-01-01T00:00:00.000Z'), equal: false }, { description: 'date and string are not equal', value1: new Date('2017-06-16T21:36:48.362Z'), value2: '2017-06-16T21:36:48.362Z', equal: false }, { description: 'date and object are not equal', value1: new Date('2017-06-16T21:36:48.362Z'), value2: {}, equal: false } ] }, { description: 'RegExp objects', tests: [ { description: 'equal RegExp objects', value1: /foo/, value2: /foo/, equal: true }, { description: 'not equal RegExp objects (different pattern)', value1: /foo/, value2: /bar/, equal: false }, { description: 'not equal RegExp objects (different flags)', value1: /foo/, value2: /foo/i, equal: false }, { description: 'RegExp and string are not equal', value1: /foo/, value2: 'foo', equal: false }, { description: 'RegExp and object are not equal', value1: /foo/, value2: {}, equal: false } ] }, { description: 'functions', tests: [ { description: 'same function is equal', value1: func1, value2: func1, equal: true }, { description: 'different functions are not equal', value1: func1, value2: func2, equal: false } ] }, { description: 'sample objects', tests: [ { description: 'big object', value1: { prop1: 'value1', prop2: 'value2', prop3: 'value3', prop4: { subProp1: 'sub value1', subProp2: { subSubProp1: 'sub sub value1', subSubProp2: [1, 2, {prop2: 1, prop: 2}, 4, 5] } }, prop5: 1000, prop6: new Date(2016, 2, 10) }, value2: { prop5: 1000, prop3: 'value3', prop1: 'value1', prop2: 'value2', prop6: new Date('2016/03/10'), prop4: { subProp2: { subSubProp1: 'sub sub value1', subSubProp2: [1, 2, {prop2: 1, prop: 2}, 4, 5] }, subProp1: 'sub value1' } }, equal: true } ] }];function func1() {}function func2() {}for (const testSuite of tests) { for (const test of testSuite.tests) { try { if (equal(test.value1, test.value2) !== test.equal) console.error('different result', 'fast-deep-equal', testSuite.description, test.description); } catch(e) { console.error('fast-deep-equal', testSuite.description, test.description, e); } } }for (const testSuite of tests) { for (const test of testSuite.tests) { try { if (_.isEqual(test.value1, test.value2) !== test.equal) console.error('different result', 'isEqual', testSuite.description, test.description); } catch(e) { console.error('isEqual', testSuite.description, test.description, e); } } }--enable-precise-memory-info flag.
| Test case name | Result |
|---|---|
| fast-deep-equal | |
| lodash |
| Test name | Executions per second |
|---|---|
| fast-deep-equal | 24893.4 Ops/sec |
| lodash | 20243.6 Ops/sec |
Based on the provided benchmark data, I'll provide an analysis of the results:
fast-deep-equal
The test results indicate that the fast-deep-equal benchmark is performed on a Chrome 116 browser with a desktop device and Mac OS X 10.15.7 operating system.
lodash
The test results indicate that the lodash benchmark is performed on a Chrome 116 browser with a desktop device and Mac OS X 10.15.7 operating system.
Comparing the two results:
fast-deep-equal benchmark has a slightly higher Executions Per Second (24,893.38 vs 20,243.62) than the lodash benchmark.This suggests that the fast-deep-equal benchmark may be faster or more efficient than the lodash benchmark under these specific conditions. However, it's essential to note that this result is based on a single run and may not reflect the actual performance difference between the two implementations in all scenarios.
