Benchmark: Test convert str to int

Tests:

Test unary plus
const b = +'4'
Test parseInt
const b = parseInt('4')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Test unary plus
Test parseInt

Fastest: N/A

Slowest: N/A

Latest 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 provided benchmark data and explain what's being tested, compared, and analyzed.

**Benchmark Definition**
The first part of the dataset defines the overall benchmark: `const b = +'4'` or `const b = parseInt('4')`. This is a simple JavaScript expression that attempts to convert a string to an integer using two different methods:

1. `+''` (the unary plus operator) - converts a decimal number to its integer equivalent.
2. `parseInt()` - a built-in function that parses a string and returns an integer.

**Options Compared**
The benchmark compares the performance of these two approaches for converting strings to integers:

Pros of `+''`:

* Simple and concise syntax
* Built-in operator, no additional dependencies required

Cons of `+''`:

* Can be vulnerable to type coercion attacks if not used carefully
* May perform a more expensive operation internally (e.g., checking the radix)

Pros of `parseInt()`:

* More explicit and readable than the unary plus operator
* Allows for specifying an optional radix parameter (e.g., `parseInt('4', 10)`)

Cons of `parseInt()`:

* Requires a separate function call, which may incur overhead
* Can be slower due to the extra operation

**Other Considerations**
The benchmark also considers the following factors:

* The presence of the library `lodash` is not relevant in this case, as it's not being used.
* No special JavaScript features or syntax are being tested (e.g., async/await, promises, etc.).

**Library and Special JS Features**
In this case, no libraries or special JavaScript features are being used. The benchmark focuses solely on the two expression-based approaches for string-to-integer conversion.

**Alternatives**
If you wanted to compare these approaches with other methods, such as:

* Using a custom implementation (e.g., `function convertToInt(str) { ... }`)
* Utilizing a library like `js-number` or `number`
* Employing advanced techniques like memoization or caching

You could create new benchmark definitions and test cases to evaluate the performance of these alternatives.

**Benchmark Preparation Code**
The provided `Script Preparation Code` is empty, which means no additional setup code needs to be executed before running the benchmark. The `Html Preparation Code` is also blank, indicating that there are no HTML-related preparations required for this benchmark.

Related benchmarks:

Test convert str to int (version: 0)

Comparing performance of: Test unary plus vs Test parseInt

Created: 3 years ago by: Guest

Jump to the latest result

Test unary plus

Test parseInt

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):