Benchmark: Remove by splice vs filter with a known index

HTML Preparation code:

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</script>

Script Preparation code:

function deleteBySplice (array, index) {
  const newArray = [...array];
  newArray.splice(index, 1);
  return newArray;
}

function deleteByFilter (array, index) {
  return array.filter((el, i) => i !== index);
}

Tests:

Delete by Splice
deleteBySplice(array, 1); deleteBySplice(array, 100); deleteBySplice(array, 200);
Delete by Filter
deleteByFilter(array, 1); deleteByFilter(array, 100); deleteByFilter(array, 200);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Delete by Splice
Delete by Filter

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated yesterday):

LLMs can make mistakes. Check important info.

It seems like you've provided a large amount of text, but I'll try to extract the relevant information for you.

**Array Data**

The array data is stored in the JavaScript variable `arrayData`:

```javascript
var arrayData = [
    "shxtolxu3w59y920d8ky8ehfr",
    "4wlivut0n1ht80rs5lyf7ds4i",
    "nueadpm2gt2vf38a7dhsvpldi",
    "1zc4cxwo43gxeif9im1ltmx6r",
    "9n6ci22odczmivmgz4wijm7vi",
    "tpc7su4u7ez0kvkblw7ncow29",
    "zksblo1sh7dwt6vlcihrara4i",
    "p9jotkt2y2szpo31b66jvpldi",
    "tl2w2crc3p524s300iacbx1or",
    "9ttyz01etc45zqppvkkwklnmi",
    "o6nj3qxy3a7iqyy06k7zoxbt9",
    "d8imry74j85gerwwypp1wz5mi",
    "77vkrqqmyr9py125czkw9x80k9",
    "c1gv40vm2us435cqszncqbbj4i",
    "9tfdorhnwnaqzforgj2k8d7vi",
    "2d3cuqd0p2ur5zrbajwo4dkj4i",
    "2jgvcdh5j7wyfuqdbgn8rxjemi",
    "kadxxllve35upugf69qhyqfr",
    "3te9re9k2hb9xkt63okbdfgvi",
    "mm23z47tirqhfp56ynadlhaor",
    "y4pgcsv2jl4vkk24ijuelv7vi",
    "zjry6isasjpxkr6wahc15rk9",
    "awy9qof4ebaj5behfv7dcgnwmi",
    "5yecig7hoku5h2u1dco50cnmi",
    "ztk3ia84nzgvd5c9amnjc3di",
    "e4u4f3l2mdnqu9i9kas2lnmi",
    "qqe4ygai2ufcst4q7csj1yvi",
    "pg5um4aq6p6vzez4bg37ynwmi",
    "t5jsb7riq3o3bqyhne5klnmi",
    "teybuhw83srwyc0t6g92otj4i",
    "9svwvf9u5qz9wzflvowzpk3xr",
    "skzt68jucn2pky1xo6n31h5mi",
    "mngrrjw94j3xgewe7ka603sor",
    "xz4p7nump5nbfp0zilik9",
    "ooinhusm3793joewdt8wfusor",
    "fbabrl45owrboyhcz2xy2v5cdi",
    "ubcwnem2lpc8k6n4r59daemi",
    "d78k39ex2e37tfww7v7erpy14i",
    "est573afhw1cg83xlxe6ogvi"
];
```

**Individual Test Cases**

The individual test cases are stored in the `testCases` variable:

```javascript
var testCases = [
    {
        "Benchmark Definition": "deleteBySplice(array, 1);\r\ndeleteBySplice(array, 100);\r\ndeleteBySplice(array, 200);",
        "Test Name": "Delete by Splice"
    },
    {
        "Benchmark Definition": "deleteByFilter(array, 1);\r\ndeleteByFilter(array, 100);\r\ndeleteByFilter(array, 200);",
        "Test Name": "Delete by Filter"
    }
];
```

**Latest Benchmark Result**

The latest benchmark result is stored in the `latestBenchmarkResult` variable:

```javascript
var latestBenchmarkResult = [
    {
        "RawUAString": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Mobile Safari/537.36",
        "Browser": "Chrome Mobile 125",
        "DevicePlatform": "Mobile",
        "OS": "Android"
    },
    {
        "RawUAString": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36 Edg/80.0.488",
        "Browser": "Chrome",
        "DevicePlatform": "Desktop",
        "OS": "Windows"
    }
];
```

Latest run results:

Run details: (Test run date: 4 months ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Mobile Safari/537.36

Browser/OS: Chrome Mobile 125 on Android

View result in a separate tab

Test name	Executions per second
Delete by Splice	362749.1 Ops/sec
Delete by Filter	105597.8 Ops/sec

Related benchmarks:

Remove by splice vs filter with a known index (version: 0)

Deletion of an element from an array with a known index.

Comparing performance of: Delete by Splice vs Delete by Filter

Created: 4 months ago by: Guest

Jump to the latest result

Delete by Splice

Delete by Filter

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated yesterday):