Benchmark: Lodash.isEqual vs JSON.stringify Equality Comparison for Array of Objects.

HTML Preparation code:

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

Script Preparation code:

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                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231221T004243.847 GMT",
                "title": "Delete the attachment",
                "type": "DELETE"
            }
        },
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        "category": "File"
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        "links": {
            "download": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231211T210627.569 GMT",
                "title": "Retrieve the link",
                "type": "GET"
            },
            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231211T210627.569 GMT",
                "title": "Edit the link",
                "type": "PATCH"
            },
            "delete": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231211T210627.569 GMT",
                "title": "Remove the url",
                "type": "DELETE"
            }
        },
        "ID": "LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231211T210627.569 GMT",
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        "category": "URL",
        "type": "URL",
        "categoryName": "URL"
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            },
            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231205T211841.702 GMT",
                "title": "Edit the link",
                "type": "PATCH"
            },
            "delete": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231205T211841.702 GMT",
                "title": "Remove the url",
                "type": "DELETE"
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        "category": "URL",
        "type": "URL",
        "categoryName": "URL"
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                "type": "GET"
            },
            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231201T045049.889 GMT",
                "title": "Edit the link",
                "type": "PATCH"
            },
            "delete": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231201T045049.889 GMT",
                "title": "Remove the url",
                "type": "DELETE"
            }
        },
        "ID": "LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231201T045049.889 GMT",
        "mimeType": "application/octet-stream",
        "category": "URL",
        "type": "URL",
        "categoryName": "URL"
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            "download": {
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                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231118T045952.199 GMT",
                "title": "Retrieve the link",
                "type": "GET"
            },
            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231118T045952.199 GMT",
                "title": "Edit the link",
                "type": "PATCH"
            },
            "delete": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231118T045952.199 GMT",
                "title": "Remove the url",
                "type": "DELETE"
            }
        },
        "ID": "LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231118T045952.199 GMT",
        "mimeType": "application/octet-stream",
        "category": "URL",
        "type": "URL",
        "categoryName": "URL"
    },
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        "createdBy": "hoant@pegasystems.com",
        "createTime": "2023-11-15T19:45:05.192Z",
        "name": "Page Instructions Design Doc",
        "links": {
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                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231115T194505.192 GMT",
                "title": "Retrieve the link",
                "type": "GET"
            },
            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231115T194505.192 GMT",
                "title": "Edit the link",
                "type": "PATCH"
            },
            "delete": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231115T194505.192 GMT",
                "title": "Remove the url",
                "type": "DELETE"
            }
        },
        "ID": "LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231115T194505.192 GMT",
        "mimeType": "application/octet-stream",
        "category": "URL",
        "type": "URL",
        "categoryName": "URL"
    },
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        "mimeType": "image/png",
        "type": "FILE",
        "categoryName": "File",
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        "createTime": "2023-11-03T17:48:44.460Z",
        "name": "data model",
        "links": {
            "download": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231103T174844.460 GMT",
                "title": "Download the attachment",
                "type": "GET"
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            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231103T174844.460 GMT",
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            "delete": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231103T174844.460 GMT",
                "title": "Delete the attachment",
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        "ID": "LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231103T174844.460 GMT",
        "category": "File"
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            "download": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231010T110807.085 GMT",
                "title": "Retrieve the link",
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                "title": "Edit the link",
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            "delete": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20231010T110807.085 GMT",
                "title": "Remove the url",
                "type": "DELETE"
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        },
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        "mimeType": "application/octet-stream",
        "category": "URL",
        "type": "URL",
        "categoryName": "URL"
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        "createTime": "2023-09-25T16:15:09.407Z",
        "name": "Brodie Green rejected reprioritization request for EPIC-86977: C",
        "links": {
            "download": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230925T161509.407 GMT",
                "title": "Download the attachment",
                "type": "GET"
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            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230925T161509.407 GMT",
                "title": "Edit the attachment",
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        "mimeType": "application/octet-stream",
        "category": "Correspondence",
        "type": "EMAIL",
        "categoryName": "Correspondence"
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        "name": "Goal Owner approved reprioritization request for EPIC-86977: Car",
        "links": {
            "download": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230912T130614.959 GMT",
                "title": "Download the attachment",
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                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230912T130614.959 GMT",
                "title": "Edit the attachment",
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        "ID": "LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230912T130614.959 GMT",
        "mimeType": "application/octet-stream",
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        "type": "EMAIL",
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        "links": {
            "download": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230908T192834.632 GMT",
                "title": "Download the attachment",
                "type": "GET"
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            "edit": {
                "rel": "self",
                "href": "/attachments/LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230908T192834.632 GMT",
                "title": "Edit the attachment",
                "type": "PATCH"
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        },
        "ID": "LINK-ATTACHMENT PEGAPROJMGMT-WORK EPIC-86977!20230908T192834.632 GMT",
        "mimeType": "application/octet-stream",
        "category": "Correspondence",
        "type": "EMAIL",
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    }
];

Tests:

lodash isEqual
_.isEqual(window.foo, window.bar)
strigify
JSON.stringify(window.foo) === JSON.stringify(window.bar);

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

strigify

45K/s

lodash isEqual

38K/s

Fastest: strigify (1.2x faster)

View exact numbers

✓ strigify: 44,520 ops/sec
• lodash isEqual: 37,867 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash isEqual
strigify

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

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

Browser/OS: Chrome 133 on Linux

View result in a separate tab

strigify

58K/s

lodash isEqual

46K/s

View exact numbers

Test name	Executions per second
✓ strigify	58,456 Ops/sec
lodash isEqual	46,193 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Lodash.isEqual vs JSON.stringify Equality Comparison for Array of Objects. (version: 0) Benchmark.js

Lodash.isEqual vs JSON.stringify Equality Comparison for Array of Objects.

Comparing performance of: `lodash isEqual vs strigify`

Created: 2 years ago by: Guest

Go to the latest result

lodash isEqual

strigify

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

Lodash.isEqual vs JSON.stringify Equality Comparison for Array of Objects. (version: 0) Benchmark.js

Lodash.isEqual vs JSON.stringify Equality Comparison for Array of Objects.

Comparing performance of: lodash isEqual vs strigify

Created: 2 years ago by: Guest

Go to the latest result

lodash isEqual

strigify

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

Related benchmarks

Comparing performance of: `lodash isEqual vs strigify`