Benchmark: Any string to number fork

Tests:

Map
const a = "asasda0oi234ui23kk0'sd;f'p4=2s;'d,mnsdbjugoay9-p23r2jhh; b3pirjn ou 329prujwn kfksdn sf"; a.split("").map(c => (c.charCodeAt(0) + "").padStart(7, "0")).join("");
For of loop
const a = "asasda0oi234ui23kk0'sd;f'p4=2s;'d,mnsdbjugoay9-p23r2jhh; b3pirjn ou 329prujwn kfksdn sf"; let s = ""; for (let c of a) { s += (c.charCodeAt(0) + "").padStart(7, "0"); }
for loop
const a = "asasda0oi234ui23kk0'sd;f'p4=2s;'d,mnsdbjugoay9-p23r2jhh; b3pirjn ou 329prujwn kfksdn sf"; let s = ""; for (let i = 0; i < a.length; i++) { s+= (a.charCodeAt(i) + "").padStart(7, "0"); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Map
For of loop
for loop

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.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**Benchmark Overview**

The provided JSON represents a benchmark that tests how different approaches can convert a string to a number in JavaScript. The input string is a long, complex sequence of characters that contains a mix of letters, numbers, and special characters. The goal is to determine which approach is the fastest.

**Options Compared**

There are three options being compared:

1. **For loop**: This approach uses a traditional `for` loop to iterate over the characters in the input string.
2. **For of loop**: This approach uses the `for...of` loop syntax to iterate over the characters in the input string.
3. **Map**: This approach uses the `Array.prototype.map()` method to create a new array with the converted numbers.

**Pros and Cons**

Here's a brief summary of each approach:

* **For loop**: This is a traditional, straightforward approach that is easy to understand and implement. However, it may be slower than the other two options due to its overhead.
* **For of loop**: This approach uses a more modern syntax and can be faster than the `for` loop option. However, some older browsers may not support this syntax.
* **Map**: This approach is often the fastest option because it leverages the optimized `map()` method implementation in modern JavaScript engines. However, it may require additional memory allocations.

**Library and Special JS Features**

In none of the provided benchmark definitions are any libraries or special JavaScript features used.

**Test Case Analysis**

Here's a breakdown of each test case:

1. **For loop**: This test case uses a traditional `for` loop to iterate over the characters in the input string.
2. **For of loop**: This test case uses the `for...of` loop syntax to iterate over the characters in the input string.
3. **Map**: This test case uses the `Array.prototype.map()` method to create a new array with the converted numbers.

All three approaches have their pros and cons, as mentioned earlier.

**Other Alternatives**

Some other alternatives that could be considered for converting a string to a number include:

* Using regular expressions
* Using a string processing library like UglifyJS or String.prototype.replace()
* Using a custom implementation with bitwise operations

However, these alternatives may not provide the same level of performance as the optimized `map()` method used in modern JavaScript engines.

I hope this explanation helps you understand the benchmark and its test cases!

Related benchmarks:

Any string to number fork (version: 0)

Comparing performance of: Map vs For of loop vs for loop

Created: 5 years ago by: Guest

Jump to the latest result

Map

For of loop

for loop

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):