Benchmark: Name Generator - MeasureThat.net

Script Preparation code:

var sample = [{
        firstName: 'John',
        lastName: 'Doe'
    },
    {
        firstName: 'Courtney',
        lastName: ''
    },
    {
        firstName: 'John',
        lastName: 'Doe'
    },
    {
        firstName: 'Courtney',
        lastName: ''
    },
    {
        firstName: 'John',
        lastName: 'Doe'
    },
    {
        firstName: 'Courtney',
        lastName: ''
    },
    {
        firstName: 'John',
        lastName: 'Doe'
    },
    {
        firstName: 'Courtney',
        lastName: ''
    },
    {
        firstName: 'John',
        lastName: 'Doe'
    },
    {
        firstName: 'Courtney',
        lastName: ''
    }
];

function generateArr(names) {
    var combinedArr = [];
    names.map((owner, index) => {
        var tempArr = [
            [],
            []
        ];
        tempArr[index].push(owner.firstName);
        tempArr[index].push(owner.lastName);
        tempArr[index].join(',');
        combinedArr.push(tempArr[index].join(' ').trim());

    });

    return combinedArr.join(', ');
}

function generateStr(names) {
    var str = '';
    names.map((owner, index) => {
        if (index > 0) {
            str += ', ';
        }
        str += owner['firstName'].trim() + ' ';
        str += owner['lastName'].trim();
        str.trim();

    });
    return str;
}

Tests:

Array join
generateArr(sample);
Str method
generateStr(sample)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array join
Str method

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

**Overview of the Benchmark**

The provided JSON represents a JavaScript benchmark for measuring the performance of two functions: `generateArr` and `generateStr`. The benchmark is designed to test the efficiency of these functions in generating combined names from an array of objects.

**Options Compared**

In this benchmark, there are two options being compared:

1. **Array join using the `join()` method**: This approach iterates over the `tempArr` array and concatenates the strings with commas in between.
2. **String concatenation without using the `join()` method**: This approach uses a loop to concatenate the strings manually.

**Pros and Cons of Each Approach**

1. **Array join using the `join()` method**:
	* Pros: More concise, readable, and efficient code. The `join()` method is optimized for performance.
	* Cons: May not be as familiar to developers who are used to manual string concatenation.
2. **String concatenation without using the `join()` method**:
	* Pros: More control over the output, can be useful for certain use cases (e.g., debugging).
	* Cons: Less readable and less efficient code due to repeated calls to `+` and unnecessary assignments.

**Library Used**

In this benchmark, no libraries are explicitly mentioned. However, the `map()` method is used, which is a built-in JavaScript method that iterates over an array and applies a function to each element.

**Special JS Feature or Syntax**

There is no special JS feature or syntax being tested in this benchmark. The focus is on comparing two coding approaches.

**Other Alternatives**

If you were looking for alternative approaches, here are some options:

1. **Using `reduce()` method**: Instead of using `map()` and then `join()`, you could use the `reduce()` method to concatenate the strings directly.
2. **Using a template string**: If you're familiar with template literals (introduced in ES6), you could use them to generate the combined names in a more concise way.
3. **Using a library like Lodash**: If you need more complex string manipulation, you might consider using a library like Lodash, which provides utility functions for tasks like string concatenation.

**Benchmark Preparation Code**

The provided `Script Preparation Code` initializes an array of objects called `sample`, which is used as input for the benchmark. The `generateArr()` and `generateStr()` functions are defined to test their performance.

Related benchmarks:

Name Generator (version: 0)

Comparing performance of: Array join vs Str method

Created: 5 years ago by: Guest

Jump to the latest result

Array join

Str method

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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