Run results for: Compare lodash isEmpty and truthy Set.size

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
isEmpty empty array	1967368.1 Ops/sec
size empty array	2342481.5 Ops/sec
isEmpty array of strings	683193.7 Ops/sec
size array of strings	2361438.8 Ops/sec
isEmpty array of objects	681172.1 Ops/sec
size array of objects	2362303.8 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

// empty array
window.foo1 = [];

// array of strings
window.foo2 = new Set(['a', 'b', 'c', 'd', 'e']);

// array of objects
window.foo3 = new Set([{ a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }, { a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }, { a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }]);

Tests:

isEmpty empty array
_.isEmpty(window.foo1);
size empty array
window.foo1 && window.foo1.size === 0;
isEmpty array of strings
_.isEmpty(window.foo2);
size array of strings
window.foo2 && window.foo2.size === 0;
isEmpty array of objects
_.isEmpty(window.foo3);
size array of objects
window.foo3 && window.foo3.size === 0;

Run results for: Compare lodash isEmpty and truthy Set.size

isEmpty empty array

size empty array

isEmpty array of strings

size array of strings

isEmpty array of objects

size array of objects