Benchmark: String to int vs int to string

Script Preparation code:

var num = 42;
var stringNum = '42';

Tests:

String To Int
var result = Number(stringNum);
Number to String
var result = String(num);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
String To Int
Number to String

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

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Let's break down the benchmark being tested on MeasureThat.net.

**Benchmark Definition**

The benchmark is defined by two individual test cases: `String To Int` and `Number to String`. The goal of this benchmark is to compare the performance of converting a string to an integer (`stringNum`) versus converting an integer to a string (`num`).

**Script Preparation Code**

The script preparation code defines the initial values:

```javascript
var num = 42;
var stringNum = '42';
```

These variables are used as input for both test cases.

**Html Preparation Code**

There is no HTML preparation code provided, which means that the benchmark only measures JavaScript execution time and does not involve any complex DOM manipulation or rendering.

**Test Cases**

The two test cases are:

1. `String To Int`: Converts a string (`stringNum`) to an integer using the `Number()` function.
```javascript
var result = Number(stringNum);
```

2. `Number to String`: Converts an integer (`num`) to a string using the `String()` function or template literals (not explicitly stated, but inferred).
```javascript
var result = String(num);
```

**Library and Purpose**

Neither of these test cases relies on any specific JavaScript library. The built-in `Number()` and `String()` functions are used for the conversions.

**Special JS Feature or Syntax**

One notable aspect is the use of template literals in one of the test cases ( implicitly, as it's not explicitly stated). Template literals allow you to embed expressions inside string literals, making them a concise way to convert numbers to strings. In this case, `String(num)` would likely be equivalent to using template literals: `'' + num`.

**Pros and Cons**

Here are some pros and cons of each approach:

1. **`Number(stringNum)`**:
	* Pros: Simple and explicit conversion.
	* Cons: May involve additional overhead for string parsing and type checking.
2. **`String(num)` (template literals)**:
	* Pros: Convenient, concise way to convert numbers to strings.
	* Cons: May not be as performant due to the added complexity of template literals.

**Other Alternatives**

If you wanted to implement a similar benchmark, you could consider using other conversion methods, such as:

1. Using `BigInt` for integer conversions.
2. Implementing your own string parsing and type checking logic.
3. Using different string formatting libraries or functions (e.g., `printf()`).

Keep in mind that MeasureThat.net's benchmark is focused on comparing the performance of these two specific conversion methods, so it's unlikely you'd want to explore alternative approaches for this particular test case.

Related benchmarks:

String to int vs int to string (version: 0)

Comparing performance of: String To Int vs Number to String

Created: 4 years ago by: Guest

Jump to the latest result

String To Int

Number to String

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):