Benchmark: padding right zero1

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.0.1/bignumber.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

function _padRightZero(strNum, decimal) {
    const splitNum = strNum.toString().split('.');
    const strDecimal = splitNum.length > 1 ? splitNum[1] : '';
    const padRightZero = strDecimal.padEnd(decimal, '0');

    if (padRightZero === '') {
        return splitNum[0];
    } else {
        return splitNum[0] + '.' + padRightZero;
    }
}

function _padRightZero2(strNum, decimal) {
   return strNum.toFixed(decimal);
}

Tests:

1
_padRightZero(0.12, 8)
2
_padRightZero2(0.12, 8)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

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Slowest: N/A

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

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Let's break down the provided benchmark and its testing options.

**Benchmark Overview**

The provided benchmark, named "padding right zero1", is designed to compare two JavaScript functions: `_padRightZero` and `_padRightZero2`. These functions are responsible for padding a decimal number with zeros on the right side. The benchmark measures which function is faster in executing this task.

**Function Approaches**

There are two approaches being compared:

### 1. `_padRightZero` function

This function takes two parameters: `strNum` (the input string) and `decimal` (the number of decimal places to pad). Here's a high-level overview of how it works:

*   Splits the input string into an integer part (`splitNum[0]`) and a decimal part (`padRightZero`).
*   If the decimal part is empty, returns only the integer part.
*   Otherwise, concatenates the integer part with the padded decimal part.

**Pros:**

*   This approach allows for more control over the padding process, as it separates the integer and decimal parts of the input string.

**Cons:**

*   The function can lead to additional unnecessary operations if the decimal part is empty.
*   It might require manual handling for edge cases, such as when the decimal place count is 0.

### 2. `_padRightZero2` function

This function uses the `toFixed()` method to pad the input string with zeros on the right side:

```javascript
function _padRightZero2(strNum, decimal) {
   return strNum.toFixed(decimal);
}
```

**Pros:**

*   The `toFixed()` method is a standard JavaScript method that simplifies padding.
*   Fewer lines of code means less chance for errors.

**Cons:**

*   This approach relies on the `toFixed()` method's behavior, which may vary across browsers or environments.
*   It assumes that the input string can be converted to a number, which might not always be the case.

**Library Usage**

The benchmark includes two external libraries:

1.  **`bignumber.js`**: This library is used for its support of decimal arithmetic, allowing for more precise calculations in JavaScript. Although it's not directly related to padding, using this library can impact performance due to its additional overhead.
2.  **`lodash.js`**: This utility library provides a `padEnd()` method that can be used to pad strings with zeros on the right side.

**Special JS Features/Syntax**

None of the benchmark functions explicitly utilize special JavaScript features or syntax, such as async/await, arrow functions, or modern ECMAScript features. However, if we were to analyze the performance impact of using `let` vs `const`, for instance, it would depend on how these variables are scoped and accessed within each function.

**Other Alternatives**

To further compare these approaches, you might consider additional variations:

*   Using template literals or string concatenation instead of the `_padRightZero` approach.
*   Implementing a simple, built-in decimal arithmetic library (e.g., using `Math.pow(10, decimal)`) in place of `toFixed()`.
*   Utilizing browser-specific methods like `Intl.NumberFormat()` to pad numbers.

These variations can help provide more comprehensive insights into performance differences when comparing these padding functions.

Related benchmarks:

padding right zero1 (version: 0)

Comparing performance of: 1 vs 2

Created: 2 years ago by: Registered User

Jump to the latest result

1

2

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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