Run results for: Lodash isEqual Array of Objects test

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

_.isEqual Level 1

2.9M/s

_.isEqual Level 2

2.1M/s

JSON.stringify Level 2

2.0M/s

JSON.stringify Level 1

2.0M/s

JSON.stringify Level 3

2.0M/s

_.isEqual Level 3

1.5M/s

View exact numbers

Test name	Executions per second
✓ _.isEqual Level 1	2,937,487 Ops/sec
_.isEqual Level 2	2,102,164 Ops/sec
JSON.stringify Level 2	2,026,367 Ops/sec
JSON.stringify Level 1	2,020,118 Ops/sec
JSON.stringify Level 3	2,018,059 Ops/sec
_.isEqual Level 3	1,472,199 Ops/sec

HTML Preparation code:

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

Script Preparation code:

// 1 level deep
window.foo1 = [{ 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 } } }];
window.bar1 = [{ a: 1, b: 3, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }, { a: 1, b: 3, c: { a: 1, b: 2, c: { a: 1, b: 2 } } }];

// 2 levels deep
window.foo2 = [{ 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 } } }];
window.bar2 = [{ a: 1, b: 2, c: { a: 1, b: 3, c: { a: 1, b: 2 } } }, { a: 1, b: 2, c: { a: 1, b: 3, c: { a: 1, b: 2 } } }];

// 3 levels deep
window.foo3 = [{ 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 } } }];
window.bar3 = [{ a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 4 } } }, { a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 4 } } }];

Tests:

_.isEqual Level 1
_.isEqual(window.foo1, window.bar1)
JSON.stringify Level 1
JSON.stringify(window.foo1) === JSON.stringify(window.bar1);
_.isEqual Level 2
_.isEqual(window.foo2, window.bar2)
JSON.stringify Level 2
JSON.stringify(window.foo2) === JSON.stringify(window.bar2);
_.isEqual Level 3
_.isEqual(window.foo3, window.bar3)
JSON.stringify Level 3
JSON.stringify(window.foo3) === JSON.stringify(window.bar3);

Run results for: Lodash isEqual Array of Objects test

Test on isEqual performance for array of nested objects

_.isEqual Level 1

JSON.stringify Level 1

_.isEqual Level 2

JSON.stringify Level 2

_.isEqual Level 3

JSON.stringify Level 3