Benchmark: test toString vs literal string vs String() 2

Tests:

literal string
var test2 = 234 var x = `${test2}`
toString
var test2 = 234 var x = test2.toString()
String
var test2 = 234 var x = String(test2)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
literal string
toString
String

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark and explain what's being tested.

**Benchmark Overview**

The provided JSON represents a JavaScript microbenchmarking test created on MeasureThat.net. The benchmark tests three different approaches to create a string value in JavaScript:

1. Literal string
2. `toString()` method
3. `String()` function

Each approach is compared to determine which one performs better, measured by the number of executions per second.

**Approaches and Their Characteristics**

### 1. Literal String

* **Method:** Using template literals (e.g., `${test2}`) or concatenating strings using the `+` operator.
* **Pros:** Easy to read and write, less prone to errors compared to other methods.
* **Cons:** Can be slower due to string creation overhead.

### 2. `toString()` Method

* **Method:** Calling the `toString()` method on a variable (e.g., `test2.toString()`).
* **Pros:** Simple and easy to read.
* **Cons:** May involve additional overhead, such as calling a method and checking for null or undefined values.

### 3. `String()` Function

* **Method:** Using the `String()` function with parentheses (e.g., `String(test2)`).
* **Pros:** Similar to `toString()`, but some browsers may optimize it better.
* **Cons:** May not be supported in older browsers or with certain environments.

**Library and Special JavaScript Features**

In this benchmark, no specific libraries are used. However, the use of template literals (e.g., `${test2}`) indicates that the test is compatible with modern JavaScript features introduced in ECMAScript 2015 (ES6).

**Other Considerations**

The benchmark measures the number of executions per second for each approach, which is a common metric for performance comparisons. However, it's essential to note that this measurement might not accurately reflect real-world scenarios, as it only accounts for the execution speed of the JavaScript code.

If you're interested in alternative approaches or want to explore other factors like memory usage or CPU utilization, you can consider using different metrics or adjusting the benchmark settings on MeasureThat.net.

**Alternative Approaches**

For similar benchmarks, you might also look into comparing:

* Using `String.fromCharCode()` and concatenation
* Using `new Int32Array([test2]).join()` for creating an array of integers and then joining it to a string
* Using `Buffer.from([...])` and converting the buffer to a string

Keep in mind that these alternative approaches might be more complex or have different implications for performance, depending on your specific use case.

Related benchmarks:

test toString vs literal string vs String() 2 (version: 0)

Comparing performance of: literal string vs toString vs String

Created: 3 years ago by: Guest

Jump to the latest result

literal string

toString

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):