Run results for: Object equality compare

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
lodash	59907.0 Ops/sec
JSON stringify	260483.0 Ops/sec
deep equal	193381.7 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>
<script src="https://cdn.jsdelivr.net/npm/fast-equals@5.2.2/dist/umd/index.min.js"></script>

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
async function globalMeasureThatScriptPrepareFunction() {
    window.bigJsObject1  = {
  metadata: {
    createdAt: "2023-11-15T08:42:17Z",
    lastModified: "2023-11-20T14:30:45Z",
    version: "3.7.2",
    author: {
      name: "Jane Developer",
      email: "jane@example.com",
      team: "Frontend Engineering",
      department: "Product Development",
      contact: {
        office: "+1 (555) 123-4567",
        mobile: "+1 (555) 987-6543",
        emergency: {
          name: "John Manager",
          phone: "+1 (555) 789-0123"
        }
      }
    }
  },
  
  applicationConfig: {
    environment: "production",
    features: {
      darkMode: true,
      experimental: {
        aiIntegration: false,
        voiceControl: true,
        newDashboard: {
          enabled: true,
          rolloutPercentage: 15
        }
      },
      analytics: {
        enabled: true,
        providers: ["google", "amplitude", "mixpanel"]
      }
    },
    apiEndpoints: {
      baseUrl: "https://api.example.com/v3",
      services: {
        auth: "/auth",
        users: "/users",
        products: {
          base: "/products",
          search: "/products/search",
          categories: "/products/categories",
          inventory: "/products/inventory"
        },
        orders: "/orders"
      }
    }
  },
  
  userData: {
    currentUser: {
      id: "usr_5f8d04a7e3b2c1",
      username: "johndoe84",
      profile: {
        firstName: "John",
        lastName: "Doe",
        age: 37,
        birthDate: "1986-05-22",
        addresses: [
          {
            type: "home",
            street: "123 Main St",
            city: "Anytown",
            state: "CA",
            zip: "90210",
            country: "USA",
            isPrimary: true
          },
          {
            type: "work",
            street: "456 Business Ave",
            city: "Techville",
            state: "CA",
            zip: "90211",
            country: "USA",
            isPrimary: false
          }
        ],
        preferences: {
          theme: "dark",
          language: "en-US",
          notifications: {
            email: true,
            sms: false,
            push: true,
            frequency: "daily"
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        }
      },
      account: {
        status: "active",
        createdAt: "2021-03-15",
        lastLogin: "2023-11-20T08:15:32Z",
        subscription: {
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          renewalDate: "2024-03-15",
          paymentMethod: "credit_card",
          history: [
            {
              date: "2021-03-15",
              plan: "basic",
              amount: 9.99
            },
            {
              date: "2022-03-15",
              plan: "premium",
              amount: 19.99
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      }
    },
    recentUsers: [
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        id: "usr_6a3b9c8d2e1f0",
        username: "alicesmith",
        lastActive: "2023-11-19T16:45:12Z"
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        id: "usr_4b5c6d7e8f9a0",
        username: "bobjohnson",
        lastActive: "2023-11-18T11:22:33Z"
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    ]
  },
  
  productCatalog: {
    categories: [
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        id: "cat_1",
        name: "Electronics",
        products: [
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            id: "prod_101",
            name: "Smartphone X",
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            specs: {
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                width: "75.7 mm",
                depth: "8.3 mm"
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            inventory: 42
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          {
            id: "prod_102",
            name: "Wireless Earbuds",
            price: 129.99,
            specs: {
              color: "White",
              batteryLife: "24 hours"
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            inventory: 87
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        ]
      },
      {
        id: "cat_2",
        name: "Home & Kitchen",
        products: [
          {
            id: "prod_201",
            name: "Smart Coffee Maker",
            price: 149.99,
            specs: {
              capacity: "12 cups",
              features: ["Programmable", "Wi-Fi Enabled"]
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            inventory: 23
          }
        ]
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    featuredProducts: ["prod_101", "prod_201"],
    onSale: {
      discountPercentage: 15,
      products: ["prod_102"]
    }
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  analytics: {
    monthlyStats: {
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        users: 15432,
        revenue: 125432.76,
        topProducts: ["prod_101", "prod_102", "prod_201"]
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      "2023-09": {
        users: 14215,
        revenue: 118765.43,
        topProducts: ["prod_101", "prod_201", "prod_102"]
      }
    },
    userEngagement: {
      averageSessionDuration: "4m 32s",
      pagesPerSession: 5.7,
      retention: {
        day7: 0.42,
        day30: 0.28
      }
    }
  },
  
  systemInfo: {
    server: {
      name: "aws-prod-web-03",
      region: "us-west-2",
      specs: {
        cpu: "16 cores",
        memory: "64GB",
        storage: "2TB SSD"
      },
      load: {
        cpu: 0.42,
        memory: 0.68
      }
    },
    dependencies: {
      database: {
        type: "MongoDB",
        version: "5.0",
        size: "1.2TB"
      },
      cache: {
        type: "Redis",
        version: "6.2",
        memoryAllocated: "8GB"
      }
    }
  }
};
  window.bigJsObject2 = {
  metadata: {
    createdAt: "2023-11-15T08:42:17Z",
    lastModified: "2023-11-20T14:30:45Z",
    version: "3.7.2",
    author: {
      name: "Jane Developer",
      email: "jane@example.com",
      team: "Frontend Engineering",
      department: "Product Development",
      contact: {
        office: "+1 (555) 123-4567",
        mobile: "+1 (555) 987-6543",
        emergency: {
          name: "John Manager",
          phone: "+1 (555) 789-0123"
        }
      }
    }
  },
  
  applicationConfig: {
    environment: "production",
    features: {
      darkMode: true,
      experimental: {
        aiIntegration: false,
        voiceControl: true,
        newDashboard: {
          enabled: true,
          rolloutPercentage: 15
        }
      },
      analytics: {
        enabled: true,
        providers: ["google", "amplitude", "mixpanel"]
      }
    },
    apiEndpoints: {
      baseUrl: "https://api.example.com/v3",
      services: {
        auth: "/auth",
        users: "/users",
        products: {
          base: "/products",
          search: "/products/search",
          categories: "/products/categories",
          inventory: "/products/inventory"
        },
        orders: "/orders"
      }
    }
  },
  
  userData: {
    currentUser: {
      id: "usr_5f8d04a7e3b2c1",
      username: "johndoe84",
      profile: {
        firstName: "John",
        lastName: "Doe",
        age: 37,
        birthDate: "1986-05-22",
        addresses: [
          {
            type: "home",
            street: "123 Main St",
            city: "Anytown",
            state: "CA",
            zip: "90210",
            country: "USA",
            isPrimary: true
          },
          {
            type: "work",
            street: "456 Business Ave",
            city: "Techville",
            state: "CA",
            zip: "90211",
            country: "USA",
            isPrimary: false
          }
        ],
        preferences: {
          theme: "dark",
          language: "en-US",
          notifications: {
            email: true,
            sms: false,
            push: true,
            frequency: "daily"
          }
        }
      },
      account: {
        status: "active",
        createdAt: "2021-03-15",
        lastLogin: "2023-11-20T08:15:32Z",
        subscription: {
          type: "premium",
          renewalDate: "2024-03-15",
          paymentMethod: "credit_card",
          history: [
            {
              date: "2021-03-15",
              plan: "basic",
              amount: 9.99
            },
            {
              date: "2022-03-15",
              plan: "premium",
              amount: 19.99
            }
          ]
        }
      }
    },
    recentUsers: [
      {
        id: "usr_6a3b9c8d2e1f0",
        username: "alicesmith",
        lastActive: "2023-11-19T16:45:12Z"
      },
      {
        id: "usr_4b5c6d7e8f9a0",
        username: "bobjohnson",
        lastActive: "2023-11-18T11:22:33Z"
      }
    ]
  },
  
  productCatalog: {
    categories: [
      {
        id: "cat_1",
        name: "Electronics",
        products: [
          {
            id: "prod_101",
            name: "Smartphone X",
            price: 899.99,
            specs: {
              storage: "128GB",
              color: "Space Gray",
              dimensions: {
                height: "150.9 mm",
                width: "75.7 mm",
                depth: "8.3 mm"
              }
            },
            inventory: 42
          },
          {
            id: "prod_102",
            name: "Wireless Earbuds",
            price: 129.99,
            specs: {
              color: "White",
              batteryLife: "24 hours"
            },
            inventory: 87
          }
        ]
      },
      {
        id: "cat_2",
        name: "Home & Kitchen",
        products: [
          {
            id: "prod_201",
            name: "Smart Coffee Maker",
            price: 149.99,
            specs: {
              capacity: "12 cups",
              features: ["Programmable", "Wi-Fi Enabled"]
            },
            inventory: 23
          }
        ]
      }
    ],
    featuredProducts: ["prod_101", "prod_201"],
    onSale: {
      discountPercentage: 15,
      products: ["prod_102"]
    }
  },
  
  analytics: {
    monthlyStats: {
      "2023-10": {
        users: 15432,
        revenue: 125432.76,
        topProducts: ["prod_101", "prod_102", "prod_201"]
      },
      "2023-09": {
        users: 14215,
        revenue: 118765.43,
        topProducts: ["prod_101", "prod_201", "prod_102"]
      }
    },
    userEngagement: {
      averageSessionDuration: "4m 32s",
      pagesPerSession: 5.7,
      retention: {
        day7: 0.42,
        day30: 0.28
      }
    }
  },
  
  systemInfo: {
    server: {
      name: "aws-prod-web-03",
      region: "us-west-2",
      specs: {
        cpu: "16 cores",
        memory: "64GB",
        storage: "2TB SSD"
      },
      load: {
        cpu: 0.42,
        memory: 0.68
      }
    },
    dependencies: {
      database: {
        type: "MongoDB",
        version: "5.0",
        size: "1.2TB"
      },
      cache: {
        type: "Redis",
        version: "6.2",
        memoryAllocated: "8GB"
      }
    }
  }
};
  window.bigJsObject1Str = JSON.stringify(window.bigJsObject1);
}

Tests:

lodash
_.isEqual(window.bigJsObject1, window.bigJsObject2)
JSON stringify
JSON.stringify(window.bigJsObject2) === window.bigJsObject1Str
deep equal
window["fast-equals"].deepEqual(window.bigJsObject1, window.bigJsObject2)

Run results for: Object equality compare

lodash

JSON stringify

deep equal