Benchmark: string-interpolation-vs--concatenation

Script Preparation code:

var str = 'images/asia/tokyo.jpg'

Tests:

string-interpolation
`your lucky destination is: ${str}`
string-concatenation
'your lucky destination is: ' + str

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
string-interpolation
string-concatenation

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark definition and test cases to understand what is being tested.

**Benchmark Definition**

The benchmark definition consists of two parts:

1. **Script Preparation Code**: The script preparation code is used to prepare the variables and data needed for the benchmark. In this case, it simply assigns a string value `str` to a variable.
2. **Html Preparation Code**: The html preparation code is not used in this specific benchmark.

**Individual Test Cases**

There are two test cases:

1. **string-interpolation**: This test case uses template literals with backticks (`) to insert the value of `str` into a string. The syntax for template literals is:
```javascript
`${expression}`
```
2. **string-concatenation**: This test case uses the `+` operator to concatenate the string and the value of `str`. The syntax is:
```javascript
'string' + str
```

**Options Compared**

The two options being compared are:

1. **Template Literals (string-interpolation)**: Uses backticks (`) to insert values into a string.
2. **String Concatenation (string-concatenation)**: Uses the `+` operator to concatenate strings.

**Pros and Cons of Each Approach**

**Template Literals (string-interpolation)**

Pros:

* More readable code
* Less prone to errors due to improved type safety
* Can be used with other built-in methods like `replace()` and `split()`

Cons:

* Requires backticks (`) around the expression to be inserted
* May not work in older browsers that don't support template literals

**String Concatenation (string-concatenation)**

Pros:

* Works on all browsers, even older ones
* Simple syntax that is easy to understand

Cons:

* Less readable code due to repeated concatenations
* More prone to errors due to type safety issues

**Library and Purpose**

There are no libraries explicitly mentioned in the benchmark definition. However, template literals (string-interpolation) rely on a standard JavaScript feature that is supported by most modern browsers.

**Special JS Feature or Syntax**

The `+` operator used for string concatenation is a built-in JavaScript syntax that has been available since the early days of JavaScript. There are no special syntax features involved in this benchmark.

**Other Alternatives**

If you want to compare other approaches, here are some alternatives:

* **Using `StringBuilder` or similar classes**: If you're using a modern browser that supports it, you can use `StringBuilder` or similar classes to concatenate strings.
* **Using regular expressions**: You could use regular expressions to format the string, but this would likely be overkill for a simple benchmark like this.

Keep in mind that these alternatives might not be relevant to the specific benchmark definition and test cases provided.

Latest run results:

Run details: (Test run date: 11 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0

Browser/OS: Chrome 120 on Windows

View result in a separate tab

Test name	Executions per second
string-interpolation	15244258.0 Ops/sec
string-concatenation	15389850.0 Ops/sec

Related benchmarks:

string-interpolation-vs--concatenation (version: 0)

Comparing performance of: string-interpolation vs string-concatenation

Created: one year ago by: Guest

Jump to the latest result

string-interpolation

string-concatenation

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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